zh-cnGoodspeed Rss10Wed, 01 Oct 2008 08:06:47 GMTSat, 28 Jun 2008 17:00:45 GMThttp://www.sichinamag.com/blog/pcbchaoban/26564/message.aspx<div class="Section0" style="LAYOUT-GRID: 15.6pt none"> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">软件解密和软件加密机制——加密狗破解</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">本文</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">龙芯世纪科技有限公司</font></span><span><a href="http://www.pcblab.net/PCB/IC"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密专家</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">将介绍软件加密锁的一些编程技巧，以及软件开发者将如何编写安全可靠的代码，如何对付各种各样的</font></span><span><a href="http://pcbljy.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">加密狗破解</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">，编写加密程序时应该尽量避免的一些问题</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">，同时也给做芯片解密和</font></span><span><a href="http://blog.sina.com.cn/pcbcblab"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">单片机解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">的专家们一些启发</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　一、加密狗加密的基本原理</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　开发商程序通过调用</font></span><span><a href="http://pcbcblab.zhan.cn.yahoo.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">硬件加密狗</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">的接口模块对硬件加密狗操作，硬件加密狗响应该操作并通过接口模块将相应数据返回给开发商的应用程序。开发商的应用程序可以对返回值进行判定并采取相应的动作。如果返回无效的响应，表明没有正确的狗，开发商可以将应用程序终止运行，或者让应用程序以错误的方式执行。简要示意如下：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　二、常用的</font></span><span><a href="http://pcbcblab.blog.bokee.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">软件</font></span><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">/<font face="宋体">软件破解</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">方法</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　1、反汇编后静态分析：&nbsp;W32Dasm、IDA&nbsp;Pro</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　2、用调试工具跟踪动态分析：SoftICE、TRW2000</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　3、针对各种语言的反汇编工具：VB、Delphi、Java等</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　4、其他监视工具：FileMon、RegMon&nbsp;等</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　三、如何提高加密强度</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　下面，我们以Sentinel&nbsp;SuperPro加密锁为例，详细介绍一下使用如何在编程的过程中提高加密强度的方法。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　1、反DEBUG</font></span><span><a href="http://pcbcblab.blog.sohu.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">的编程方法和技巧</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　访问狗之后不要立即做判断，判断狗不正确后，不要立即提示，或者不提示。开发商在程序各个部分插入校验算法的代码，用以增加程序代码的复杂性，防止解密者轻易跟踪发现全部的校验代码。校验代码插入程序的频率越高，破解难度越大，软件就越安全。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　重要的字符串不要在程序中以明文出现，应该使用算法动态生成。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　在不影响程序效率的情况下，尽量多写一些查狗的函数，彼此要有区别，使用不同的算法，多一些查狗出错的标志，让这些标志参与运算，在不同的模块中，使用不同的查狗函数。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">软件解密&nbsp;</font></span><span><a href="http://blog.donews.com/mcuiclr"><span class="15" style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">软件破解</font></span></a></span><span style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;<font face="宋体">加密狗破解&nbsp;单片机解密&nbsp;</font></span><span><a href="http://pcb.xinwen520.net/"><span class="15" style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密</font></span></a></span><span style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　2、反“监听仿真”软件保护锁的编程方法</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　1）随机查询法：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　2）延时法：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　3）分组、分时法：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　4）随机噪声数据法：开发商可以在程序中随机产生查询数据，随机数据和真实数据混合在一起，监听软件即使记录了查询数据，也会被其随机性所迷惑，同时也无法仿真另一个次软件运行产生的随机数，加密软件也就无法破解。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">★</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">想抄板</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">,<font face="宋体">到龙芯世纪</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">★</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">0755-&nbsp;</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">83676200</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">:<font face="宋体">龙芯世纪科技</font></span><span><a href="http://www.pcblab.net/PCB/index.html"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">公司</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">提供抄板、</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PCB</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">抄板</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">,</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PCB<font face="宋体">设计,PCB</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">改板</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">,<font face="宋体">芯片解密,</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">IC</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">解密</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">,</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">印刷电路板</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">和</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">电路板抄板</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">设计</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">及</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">bom<font face="宋体">清单等服务.</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">详</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">情见：</font></span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p></div><!--EndFragment-->http://www.sichinamag.com/blog/pcbchaoban/26564/message.aspx专业PCB抄板PCB设计和芯片解密 商务交流Sat, 28 Jun 2008 17:00:15 GMThttp://www.sichinamag.com/blog/pcbchaoban/26563/message.aspx<div class="Section0" style="LAYOUT-GRID: 15.6pt none"> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PCB<font face="宋体">转原理图</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">的流程——龙芯世纪PCB抄板和PCB设计技术</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0" style="VERTICAL-ALIGN: baseline; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">深圳龙芯世纪科技有限公司从事PCB反向研究多年，拥有丰富抄板和PCB设计经验，拥有</font></span><span><a href="http://pcbljy.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">工作室、PCB设计工作室、芯片解密工作室和SMT加工厂，专业提供PCB抄板/改板、PCB设计/Layout、芯片解密/IC解密和SMT贴片加工/样机制作服务。其中包括PCB返原理图、PCB原理图制作、样机调试、BOM单、电路板抄板、</font></span><span><a href="http://pcbchaoban.5d6d.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">电路板设计</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、PCB&nbsp;Layout、PCB板设计、PCB电路板设计、</font></span><span><a href="http://pcblab.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">单片机解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、MCU解密、软件解密、软件破解、加密狗破解、单片机破解、PCB生产等一系列服务。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="VERTICAL-ALIGN: baseline; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">本文龙芯世纪凭着多年的PCB原理图制作、</font></span><span><a href="http://pcblabjy.blog.163.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">反推原理图</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">的经验介绍PCB转</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PCB<font face="宋体">转原理图</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">的一般流程和</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">原理图生成PCB</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">的过程。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span><a href="http://pcbchaoban.co.bokee.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">转原理图</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">的流程：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">1<font face="宋体">、分析PCB布局，把电路分成若干单元；</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">2<font face="宋体">、准备两台电脑，一台查看PCB文档，一台绘制原理图；</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">3<font face="宋体">、调取单元电路内的所有元件，跟据经验进行布局；</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">4<font face="宋体">、将PCB文档内一条网络高亮度显示，在另一台电脑上连接电性联接线；整条网络接完后，删降PCB文档内的该条网络；</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">5<font face="宋体">、重复上面两项，直到PCB文档内所有网络被删完，再对原理图进行优化。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span><a href="http://pcbcblab.blog.dianyuan.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">原理图生成PCB</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">的过程：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">1</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">在OrCAD设计原理图</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">2</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PowerPCB<font face="宋体">中生成PCB</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">更多关于</font></span><span><a href="http://pcbcblab.co.bokee.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、PCB设计、</font></span><span><a href="http://pcbljy.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、原理图制作的技术文章请进龙芯世纪公司网站：</font></span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PCB<font face="宋体">转原理图</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;PCB&nbsp;</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">原理图</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">原理图</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">制作&nbsp;PCB抄板&nbsp;PCB设计</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p></div><!--EndFragment-->http://www.sichinamag.com/blog/pcbchaoban/26563/message.aspx专业PCB抄板PCB设计和芯片解密 资源共享Sat, 17 May 2008 10:35:00 GMThttp://www.sichinamag.com/blog/pcbchaoban/20343/message.aspx<div class="Section0" style="LAYOUT-GRID: 15.6pt none"> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">芯片解密和软件破解常见问答——龙人IC解密中心</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">以下是龙人计算机</font></span><span><a href="http://www.icinf.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">IC<font face="宋体">芯片解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">研究中心的芯片解密专家、</font></span><span><a href="http://icjiemi.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">IC<font face="宋体">解密专家</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、单片机解密专家和软件破解专家整理的关于软件破解的常见问题及回答。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">Q:<font face="宋体">哪些人可以学习</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">软件</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">破解？&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">A:<font face="宋体">任何会启动电脑并运行软件同时又想学习</font></span><span><a href="http://www.lrpcb.cn/xinpian.asp"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">软件</font></span><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">破解</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">的人。我说的全是实话，如果你既不会启动电脑又不会运行软件，那么我教你一个更高深的吧--破解电脑，呵呵，很简单，到大街上随便抡个板砖什么的，回去慢慢破解吧&nbsp;(记得关电源)&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">Q:<font face="宋体">有没有什么办法可以使我快速入门</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">软件破解和</font></span><span><a href="http://www.dmpcb.cn/services/IC/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">，</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">并成为高手？&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">A:<font face="宋体">有。但你得是个MM(P不PL无所谓)，然后找个离你家最近的破解达人，什么也不用做，眨个眼放个电之类的会吧（现在连初中的小女生都会这个），然后就成了，呵呵，想破什么的话，让高手帮忙吧，到时说成是自己破的就成了&nbsp;MM问为什么？因为那些高手大都奇丑无比，呵呵，有了头脑就没了长相，男的也是这样，而且越是高手，长的就是越丑。据说一次市里到CCG考察奶牛们的出乳情况，看到大哥Sun某的时候，说了句“这奶牛个儿这么小啊，中午大家吃涮锅”&nbsp;(众大哥:大家准备好家伙，我们一会儿要去械斗)。呵呵，玩笑开到这里，其实我说这么多，只是想告诉你，学习</font></span><span><a href="http://www.pcbinf.com/xpjm.html"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">加密狗</font></span><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">破解</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">跟其它技术一样，请你不要试图投机取巧，要想学，就脚踏实地，多看教程多动手实践积累经验，不要经常POSE那种弱智问题“我不懂XX，请问我能学破解吗？”，答案是不能，你问的同时，不也正在学吗？想知道重要吗？那我告诉你好了，凡是看雪教程上要求掌握的，你全要掌握，这还不算，要想成为高手就必须精通，如果你不想一直只停留在入门阶段的话。不要想偷机取巧，谁一开始也不是什么都会的，但你只要花一些时间和一小部分精力，那么没有什么你学不会的，知识是要积累的，你知道自己不会却不去学，而在那儿问重不重要，人家会觉的你这个人并不想认真学破解，而是报有侥幸心理在浪费时间，请不要做浪费时间的人。不要刚开始学就想马上成为高手，没有高手，你没必要立下超越的目标，只把学知识放在首位就够了，欲速则不达，请不要做急于求成的人。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">芯片解密&nbsp;软件破解&nbsp;IC解密&nbsp;单片机解密&nbsp;加密狗破解</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">Q:<font face="宋体">学</font></span><span><a href="http://www.pcb-ic.com/IC/index.html"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">软件</font></span><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">破解</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">对我来说有什么好处？&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">A:<font face="宋体">这个问题应该你自己来回答，呵呵，你为什么要学？“我想免费使用共享软件”倒...那多少也算是个目的，但我希望你不要只报这种目的(目前国内共享软件业还有待发展)。我只是想说给那些只是因为一时冲动才学习破解的人，请将你们当初的冲动继续维持下去，你需要明白，学习破解的目的不只在于破解软件这个词，也许后来你会变为软件分析，随着学习时间的增加，对你的编程水平，相信会有相当大的提高。学习别人好的思想，并化为已用&nbsp;就我个人来说，学习破解可以把我的汇编的基础给打好，呵呵，俺对操作系统这玩意儿感兴趣，到时候还想写出来个玩玩儿呢，所以汇编这关必须要过....&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">Q:<font face="宋体">我很笨，那些大虾的教程我大都看不明白，我能学会吗？&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">A:<font face="宋体">永远不要说你笨，你只是学的比人家晚而已，太高深的看不懂，那你就捡能看懂的看，别人能入门，你也能，不得要领只是暂时，大虾与你，也许差的就是一两年时间的问题。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">深圳</font></span><span><a href="http://mcuiclr.web.17jzw.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">单片机芯片解密专家</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">龙人计算机提供合法用途的</font></span><span><a href="http://mcuiclr.blog.china.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">单片机解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、芯片解密和IC解密加密业务包括MCU解密工具、单片机芯片解密软件、单片机解密设备、单片机解密仪器、IC解密方法和芯片解密方案等。详情见：</font></span><span><a href="http://www.pcbinf.com/xpjm.html"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcbinf.com/xpjm.html</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p></div><!--EndFragment-->http://www.sichinamag.com/blog/pcbchaoban/20343/message.aspx专业PCB抄板PCB设计和芯片解密 IC设计与软件Sat, 17 May 2008 10:31:57 GMThttp://www.sichinamag.com/blog/pcbchaoban/20342/message.aspx<div class="Section0" style="LAYOUT-GRID: 15.6pt none"> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">用PCB抄板软件</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">Protel99</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">进行PCB&nbsp;Layout布局的技巧</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">文章整理：龙人计算机</font></span><span><a href="http://www.pcblab.net/PCB/ChaoBan/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板研究中心</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB<font face="宋体">设计和</font></span><span><a href="http://pcbchaoban.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">工程师们都知道可以使用</font></span><span><a href="http://www.lrpcb.cn/chaoban.asp"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">软件</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">Protel99<font face="宋体">可以进行自动布局,也可以进行手动</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB&nbsp;Layout</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">布局。如果进行自动布局，运行"Tools"下面的"Auto&nbsp;Place",用这个命令，你需要有足够的耐心。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB&nbsp;Layout</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">布线的关键是布局，多数</font></span><span><a href="http://www.pcbsj.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB</span><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">设计</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">者采用手动布局的形式。用鼠标选中一个元件，按住鼠标左键不放，拖住这个元件到达目的地，放开左键，将该元件固定。Protel99在布局方面新增加了一些技巧</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">(<font face="宋体">龙人计算机的PCB抄板设计专家们将为您介绍)</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">。新的交互式布局选项包含自动选择和自动对齐。使用自动选择方式可以很快地收集相似封装的元件，然后旋转、展开和整理成组，就可以移动到板上所需位置上了。当简易的布局完成后，使用自动对齐方式整齐地展开或缩紧一组封装相似的元件。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB<font face="宋体">设计&nbsp;PCB抄板&nbsp;抄板软件&nbsp;PCBLayout&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">Protel99</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　提示：在自动选择时，使用Shift+X或Y和Ctrl+X或Y可展开和缩紧选定组件的X、Y方向。&nbsp;　</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">注意：零件</font></span><span><a href="http://www.pcb-ic.com/PCBsj/index.html"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB&nbsp;Layout</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">布局，应当从机械结构散热、电磁干扰、将来布线的方便性等方面综合考虑。先布置与机械尺寸有关的器件，并锁定这些器件，然后是大的占位置的器件和电路的核心元件，再是外围的小元件。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">六、根据情况再作适当调整然后将全部器件锁定</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　假如板上空间允许则可在板上放上一些类似于实验板的布线区。对于大板子，应在中间多加固定螺丝孔。板上有重的器件或较大的接插件等受力器件边上也应加固定螺丝孔，有需要的话可在适当位置放上一些测试用焊盘，最好在原理图中就加上。将过小的焊盘过孔改大，将所有固定螺丝孔焊盘的网络定义到地或保护地等。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="TEXT-INDENT: 21pt"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">放好后用VIEW3D&nbsp;功能察看一下实际效果，存盘。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="TEXT-INDENT: 21pt"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">注意：深圳龙人计算机拥有PCB抄板工作室、PCB设计工作室、</font></span><span><a href="http://www.icinf.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">工作室和SMT加工厂，龙芯世纪从事PCB反向技术研究行业多年，拥有丰富抄板和PCB设计、芯片解密/</font></span><span><a href="http://icjiemi.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">IC<font face="宋体">解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">/<font face="宋体">单片机解密/软件破解经验。</font></span><span><a href="http://www.dmpcb.cn/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.dmpcb.cn</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p></div><!--EndFragment-->http://www.sichinamag.com/blog/pcbchaoban/20342/message.aspx专业PCB抄板PCB设计和芯片解密 资源共享Fri, 15 Feb 2008 09:52:56 GMThttp://www.sichinamag.com/blog/pcbchaoban/14152/message.aspx&nbsp; <div class="Section0"> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PCB/PWB/FPC<font face="宋体">的定义和区别</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">——<font face="宋体">抄板、PCB抄板和PCB设计技术</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">★</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">本文关键字</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">★</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">：</font></span><span><a href="http://blog.sina.com.cn/pcbcblab"><span class="16" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;PCB<font face="宋体">抄板&nbsp;PCB设计&nbsp;</font></span><span><a href="http://hi.baidu.com/pcbcblab"><span class="16" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">抄板公司</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;<font face="宋体">芯片解密&nbsp;SMT加工</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span><a href="http://www.pcblab.net/"><span class="16" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">深圳龙芯世纪科技有限公司</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">拥有PCB抄板工作室、</font></span><span><a href="http://pcbcblab.sogua.com/"><span class="16" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">工作室、芯片解密工作室和SMT加工厂，龙芯世纪从事PCB行业多年，拥有丰富抄板和PCB设计经验。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">详</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">情见：</font></span><span><a href="http://www.pcblab.net/"><span class="16" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">&nbsp;</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;&nbsp;&nbsp;&nbsp;</span><span><a href="http://pcbcblab.pcclub.pconline.com.cn/"><span class="16" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">是英文Printed&nbsp;circuit&nbsp;board的缩写，正式译文是印制电路板或印制线路板，或印刷线路板；包括印制线路图形和印制元件；</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span><a href="http://pcbcblab.blog.dianyuan.com/"><span class="16" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PWB</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">是英文Printed&nbsp;wire&nbsp;board的缩写，正式译文是印刷线路板，是英国人早期的叫法，因为当时线路板上只有线路图，而没有印制元件等，所以属于较为原始的板子；由于传统好多英国人和部分香港人还称线路板为PWB；</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">&nbsp;&nbsp;&nbsp;&nbsp;</span><span><a href="http://pcbcblab.zhan.cn.yahoo.com/"><span class="16" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">&nbsp;FPC</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">是柔性线路板简称，又称软板，英文是Flexible&nbsp;printed&nbsp;board的缩写</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">龙芯世纪服务范围：</font></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">龙芯世纪PCB抄板工作室提供PCB抄板、PCB改板、电路板抄板和线路板抄板服务</font></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span><a href="http://www.pcblab.net/PCB/ChaoBan"><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板/改板技术</font></span></a></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">：</font></span><span><a href="http://www.pcblab.net/PCB/ChaoBan"><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net/PCB/ChaoBan</span></a></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">龙芯世纪PCB设计工作室提供PCB设计、PCB&nbsp;Layout、电路板设计、线路板设计服务</font></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span><a href="http://www.pcblab.net/PCB/SheJi"><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计/Layout技术</font></span></a></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">：</font></span><span><a href="http://www.pcblab.net/PCB/SheJi"><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net/PCB/SheJi</span></a></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: left"><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">龙芯世纪芯片解密工作室提供芯片解密、IC解密、单片机解密及MCU解密服务</font></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span><a href="http://www.pcblab.net/PCB/IC"><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密/IC解密技术</font></span></a></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">：</font></span><span><a href="http://www.pcblab.net/PCB/IC"><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net/PCB/IC</span></a></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">龙芯世纪SMT加工厂提供SMT加工、SMT贴片、SMT贴片加工、样机调试和样机制作</font></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span><a href="http://www.smtodm.com/"><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">SMT<font face="宋体">加工/样机制作技术</font></span></a></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">：</font></span><span><a href="http://www.smtodm.com/"><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.smtodm.com</span></a></span><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p></div><!--EndFragment-->http://www.sichinamag.com/blog/pcbchaoban/14152/message.aspx专业PCB抄板PCB设计和芯片解密 商务交流Fri, 15 Feb 2008 09:52:20 GMThttp://www.sichinamag.com/blog/pcbchaoban/14150/message.aspx&nbsp; <div class="Section0"> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">抄板、PCB抄板和PCB设计教程：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PowerPCB<font face="宋体">如何更改过孔数据</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0" style="VERTICAL-ALIGN: baseline; LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">深圳龙芯世纪科技有限公司</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">拥有</font></span><span><a href="http://pcblab.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板工作室</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span><a href="http://pcbvoip.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计工作室</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span><a href="http://blog.sina.com.cn/pcbcblab"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密工作室</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">和</font></span><span><a href="http://www.smtodm.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">SMT<font face="宋体">加工厂</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">，龙芯世纪从事PCB行业多年，拥有丰富抄板和PCB设计经验。专业提供PC</font></span><span><a href="http://hi.baidu.com/pcbcblab"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">B<font face="宋体">抄板/改板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span><a href="http://pcblab.blog.ccidnet.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计/Layout</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span><a href="http://pcbcblab.blog.sohu.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密/IC解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">和</font></span><span><a href="http://pcbcblab.blog.bokee.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">SMT<font face="宋体">贴片加工/样机制作</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">服务。以下龙芯世纪为您介绍如何利用PCB抄板软件</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PowerPCB<font face="宋体">更改过孔数据</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">如何在画线时添加过孔？并且可以修改过孔的大小？</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">我知道在画线时只需按&nbsp;F4或是右键换层就可以快速的添加一个过孔，但是如何可以快速的修改这个过孔的尺寸？？</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">一般的过孔默认值为&nbsp;40/20mil&nbsp;，我想修改为&nbsp;60/30mil，如何修改？？？？</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span><a href="http://blog.tom.com/pcbcblab"><span class="15" style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">抄板</font></span></a></span><span style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;PCB<font face="宋体">设计&nbsp;</font></span><span><a href="http://hexun.com/pcbcblab"><span class="15" style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;<font face="宋体">抄板公司&nbsp;芯片解密&nbsp;SMT</font></span><span style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">加工&nbsp;</font></span><span style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">印刷电路板</font></span><span style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">龙芯世纪回答：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">你要在setup里设两种过孔，或更多，看你用多少了。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">在走线的时个按&nbsp;V&nbsp;--回车&nbsp;就可以换了。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">你的一块板是不可能做它四五种过孔的，一般都是一样大，有的板可能会需要两种。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">POWERPCB<font face="宋体">中的过孔是不能只改一个的，改了一个，相同的都会改变，也不能象PROTEL那样随意放孔，必需有条线和它连接才可以。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">那些属性不用去理它，选了你要的过孔，点apply就行了。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">关于PCB抄板、</font></span><span><a href="http://pcbcblab.blogbus.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span><a href="http://pcbcblab.blog.bokee.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、单片机解密和SMT加工等技术性文章请登陆：</font></span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p></div><!--EndFragment-->http://www.sichinamag.com/blog/pcbchaoban/14150/message.aspx专业PCB抄板PCB设计和芯片解密 IC设计与软件Fri, 15 Feb 2008 09:51:42 GMThttp://www.sichinamag.com/blog/pcbchaoban/14149/message.aspx&nbsp; <div class="Section0"> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">印制电路</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">板基础知识：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PCB<font face="宋体">减成法工艺</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">——</span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">龙芯PCB抄板公司</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">★</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">本文关键字</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">★</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">印制电路</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">板</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;</span><span><a href="http://www.pcblab.net/PCB/index.html"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;PCB<font face="宋体">抄板&nbsp;</font></span><span><a href="http://hexun.com/pcbcblab"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;<font face="宋体">抄板公司</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PCB<font face="宋体">减成法工艺是在覆铜箔层压板表面上，有选择性除去部分铜箔来获得导电图形的方法。减成法是当今印制电路制造的主要方法，它的最大优点是工艺成熟、稳定和可靠。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　减成法工艺制造的</font></span><span><a href="http://pcbcblab.blogbus.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">印制电路</font></span><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">可分为如下两类。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　1．非孔化印制板(。Non—plating—thr’ough—hole&nbsp;Board)&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　此类印制电路</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">板</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">采用丝网印刷，然后蚀刻出印制电路</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">板</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">的方法生产，也可采用光化学法生产。非穿孔镀印制板主要是单面板，也有少量双面板，主要用于电视机、收音机。下面是单面板生产工艺流程：&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">——<font face="宋体">抄板、</font></span><span><a href="http://pcbcblab.pcclub.pconline.com.cn/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">和PCB设计技术</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　单面覆铜箔板一下料一光化学法／丝网印刷图像转移一去除抗蚀印料一清洗、干燥一孔加工一外形加工一清洗干燥一印制阻焊涂料一固化一印制标记符号一固化一清洗干燥一预涂覆助焊剂一干燥一成品。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">——<font face="宋体">抄板、</font></span><span><a href="http://pcbcblab.zhan.cn.yahoo.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板和PCB设计</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">技术</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　2．孔化印制板(Plating—through—hole&nbsp;Board)&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　在已经钻孔的覆铜箔层压板上，采用化学镀和电镀等方法，使两层或两层以上导电图形之间的孑L由电绝缘成为电气连接，此类印制板称为穿孔镀印制板。穿孔镀印制板主要用于计算机、程控交换机、手机等。根据电镀方法的不同，分为图形电镀和全板电镀。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　(1)图形电镀(Patter。n，P’I’N)&nbsp;&nbsp;在双面覆铜箔层压板上，用丝网印刷或光化学方法形成导电图形，在导电图形上镀上铅一锡，锡一铈，锡一镍或金等抗蚀金属，再除去电路图形以外的抗蚀剂，经蚀刻而成。图形电镀法又分为图形电镀蚀刻工艺(Pattern&nbsp;PlatingAnd&nbsp;Etching&nbsp;Process)和裸铜覆阻焊膜工艺(Solder&nbsp;Mask&nbsp;OnBare&nbsp;Copper，SMOBC)。用裸铜覆阻焊膜工艺制作双面印制板工艺滴程如下。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">——</span><span><a href="http://pcblab.xinwen520.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">抄板、PCB抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">和PCB设计技术</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　双面覆铜箔板一下料一冲定位孔一数控钻孔一检验一去毛一化学镀薄铜一电镀薄铜一检验一刷板一贴膜(或网印)一曝光显影(或固化)一检验修版一图形电镀铜一图形电镀锡铅合金一去膜(或去除印料)一检验修版一蚀刻一退铅锡一通断路测试一清洗一阻焊图形一插头镀镍／金一插头贴胶带一热风整平一清洗一网印标记符号一外形加工一清洗干燥一检验一包装一成品。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">——<font face="宋体">抄板、PCB抄板和</font></span><span><a href="http://blog.sina.com.cn/pcbcblab"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计技术</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　(2)全板电镀(Panel，PNL)&nbsp;&nbsp;在双面覆铜箔层压板上，电镀&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">铜至规定厚度，然后用丝网印刷或光化学方法进行图像转移，得到抗腐蚀的正相电路图像，经过腐蚀再去除抗蚀剂制成印制板。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　全板电镀法又可细分为堵孔法和掩蔽法。用掩蔽法(Tenting)制作双面印制板工艺流程如下。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">——<font face="宋体">抄板、PCB抄板和PCB设计技术</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　双面覆铜箔板一下料一钻孑L一孔金属化一全板电镀加厚一表面处理一贴光一光致掩蔽型干膜一制正相导线图形一蚀刻一去膜一插头电镀一外形加工一检验一印制阻焊涂料一焊料涂覆热风整平一印制标记符号一成品。&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　上述方法的优点是工艺简单，镀层厚度均匀性好。缺点是浪费能源，制造无连接盘通孔印制板困难。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="VERTICAL-ALIGN: baseline; LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">深圳龙芯世纪科技有限公司拥有</font></span><span><a href="http://pcbchaoban.co.bokee.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板工作室</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、PCB设计工作室、芯片解密工作室和SMT加工厂，龙芯世纪从事PCB行业多年，拥有丰富抄板和PCB设计经验。专业提供</font></span><span><a href="http://pcblabjy.blog.163.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板/改板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、PCB设计/Layout、芯片解密/IC解密和SMT贴片加工/样机制作服务。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">详</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">情见：</font></span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p></div><!--EndFragment-->http://www.sichinamag.com/blog/pcbchaoban/14149/message.aspx专业PCB抄板PCB设计和芯片解密 资源共享Sat, 02 Feb 2008 14:47:44 GMThttp://www.sichinamag.com/blog/pcbchaoban/14057/message.aspx&nbsp; <div class="Section0"> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">崭新</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">设计理论</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">-<font face="宋体">龙芯PCB抄板公司PCB设计工作室</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">使用崭新的</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">技术，如BGA与CSP，进行印刷电路板(PCB)的</font></span><span><a href="http://www.pcblab.net/PCB/index.html"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB</span><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">设计</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">，为</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">设计工程师提出了新的挑战和机遇。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">深圳龙芯世纪PCB抄板公司PCB设计工作室专业从事PCB电路板方面的研究多年，提供</font></span><span><a href="http://pcbcblab.blog.dianyuan.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span><a href="http://pcbcblab.zhan.cn.yahoo.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板/改板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span><a href="http://pcbcblab.sogua.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计/Layout</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、芯片解密、IC解密和</font></span><span><a href="http://www.pcblab.net/SMT/index.html"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">SMT<font face="宋体">加工/样机调试</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">服务。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">详</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">情见：</font></span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">虽然</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">行业内许多人认为球栅列阵(BGA)与芯片规模包装(CSP)还是新涌现的</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">技术，但是一些主导的电子制造商已经引入或改装了一种或两种CSP的变异技术。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">BGA<font face="宋体">包装已经发展成与现在的焊接装配技术完全兼容。CSP或密间距的BGA具有的栅极间距为0.5,&nbsp;0.65,&nbsp;0.80mm，与其相比，塑料或陶瓷的BGA具有相对较宽的接触间距(1.50,&nbsp;1.27,&nbsp;1.0mm)。粗和密间距的</font></span><span><a href="http://pcbcblab.pcclub.pconline.com.cn/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">BGA</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">都比密间距的引脚包装IC较不容易受损坏。BGA标准允许选择地去掉接触点以满足特定的I/O要求。当建立为BGA已经建立接触点布局和引脚分布时，包装的开发者必须考虑芯片设计以及电路芯片(die)的尺寸和形状。在计划引脚分布时要遇上的其它问题是电路芯片的方向。当供应商使用板上芯片(chip-on-board)技术时，通常采用电路芯片面朝上的形式。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB<font face="宋体">设计&nbsp;抄板&nbsp;</font></span><span><a href="http://pcbcblab.blogbus.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;<font face="宋体">抄板公司&nbsp;</font></span><span><a href="http://hexun.com/pcbcblab"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">印刷电路板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">BGA</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">CSP</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　元件的结构在工业标准和指引中没有规定。每个制造商都将努力使其特定的结构满足顾客定义的应用。要看选作制造BGA的材料的物理特性而定，可能使用倒装芯片(flip&nbsp;chip)或线绑定(wire&nbsp;bond)技术。因为电路芯片附着结构是一种刚性材料，所以芯片绑定或附着座通常位于中心，导线将信号从芯片绑带焊盘引出到球形接触点的排列矩阵。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　列阵元件的总的轮廓规格允许许多的灵活性：如引脚间距、接触点矩阵形式和结构。JEDEC&nbsp;MO-151&nbsp;定义了一大族类的塑料BGA。方形轮廓包括了7.0~50.0mm的尺寸范围和三种接触点间距：1.50,&nbsp;1.27,&nbsp;和&nbsp;1.0&nbsp;mm。球形接触点可按偶数或奇数列和行排列的统一形式分布。虽然排列必须保持所有包装外形的对称性，但是允许元件制造上去掉接触点的位置或一个区域的触点。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">更多关于</font></span><span><a href="http://blog.tom.com/pcbcblab"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、PCB设计、</font></span><span><a href="http://pcbcblab.blog.bokee.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、单片机解密和SMT加工等技术性文章请登陆：</font></span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p></div><!--EndFragment-->http://www.sichinamag.com/blog/pcbchaoban/14057/message.aspx专业PCB抄板PCB设计和芯片解密 资源共享Sat, 02 Feb 2008 14:47:00 GMThttp://www.sichinamag.com/blog/pcbchaoban/14056/message.aspx&nbsp; <div class="Section0"> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">采用BGA的PCB设计指南</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">——PCB<font face="宋体">抄板和芯片解密技术</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">文章整理：</font></span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">龙芯世纪</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">(pcbchaoban)</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">深圳龙芯世纪</font></span><span><a href="http://www.pcblab.net/PCB/index.html"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板公司</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB<font face="宋体">设计工作室从事</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">BGA<font face="宋体">的</font></span><span><a href="http://pcbcblab.blog.dianyuan.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">的研究工作很长时间，已经拥有丰富的经验，本文龙芯世纪为您介绍</font></span><span><a href="http://pcbcblab.zhan.cn.yahoo.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、PCB抄板和芯片解密技术——</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">采用BGA的PCB设计指南</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">。更多关于</font></span><span><a href="http://pcbcblab.sogua.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、PCB设计、</font></span><span><a href="http://pcbcblab.blog.bokee.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、单片机解密和SMT加工等技术性文章请登陆：</font></span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">在JEDEC95出版物中提供了栅格列阵包装的外形。列阵包装元件的总的外形规格允许很大的灵活性，包括引脚间距、触点矩阵形式和结构。JEDEC标准允许芯片附着在介面结构的任何一面。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　接触点矩阵选项。接触点可以统一的形式分布；可是，矩阵总是以包装的中心线对称的。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">,<font face="宋体">造商减少接触点，分布形式通常描述为：全偶矩阵(full-even&nbsp;matrix)、全奇矩阵(full-odd&nbsp;matrix)、周围矩阵(perimeter&nbsp;matrix)或交错矩阵(staggered&nbsp;matrix)。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　全矩阵(full&nbsp;matrix)。对一个给定的包装尺寸，有两种全矩阵的可能性：偶数或奇数。其中之一是理论上能够适合于包装上的、给定尺寸和触点间距的最大矩阵。另一个矩阵是一行乘一列的较小矩阵。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">抄板&nbsp;</font></span><span><a href="http://pcbcblab.pcclub.pconline.com.cn/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;PCB<font face="宋体">设计&nbsp;</font></span><span><a href="http://pcbcblab.blogbus.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">芯片解密&nbsp;IC解密</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;<font face="宋体">抄板公司</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　周围矩阵(perimeter&nbsp;matrix)。周围矩阵是去掉矩阵中央的触点排列，它不影响矩阵的中心线。一个温度上改进的矩阵是周围排列矩阵，在矩阵的中心区域再增加触点(图三)。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　较低I/O的元件可能受惠于采用其中一种密间距BGA。通过选择性地去掉触点，仍然保持基本的0.50mm栅格，这可能更实际地使电路走线通道达到最大。在较低的I/O元件上触点之间的间隙越宽，通常可接纳电路的表面走线。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　交错矩阵(staggered&nbsp;matrix)。其定义是每隔一个去掉一个触点的一种空隙布局。它提供一个有效的最小的、全矩阵间距n倍的中心对中心间距。为了保持A1接触点位置，交错矩阵必须使用全奇矩阵方式来开发。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　选择性减少触点(selective&nbsp;depopulation)。除了上述的矩阵减少触点方法之外，触点也可以选择性的去掉。选择性的减少触点可以任何方式完成，只要不把矩阵移出包装外形的中心。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　附着座(attachment&nbsp;site)的计划</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　推荐用于</font></span><span><a href="http://pcbcblab.co.bokee.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">BGA</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">的附着座或焊盘的几何形状是圆形的，其直径应该适应接触点的间距和尺寸变化。焊盘的直径不应该大于调节到满足触点间距和尺寸所要求的直径。焊盘的直径不应该大于包装介面上焊盘的直径，通常比规定的球形触点的名义直径小10%。在最后定出焊盘分布排列和几何形状之前，参阅IPC-SM-782第14.0章和制造规格文件。两种方法用来定义附着座：焊盘或铜片定义和阻焊定义(图四)。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　铜片定义焊盘布局(copper&nbsp;defined&nbsp;land&nbsp;pattern)。腐蚀的铜片定义这些焊盘布局。阻焊间隔应该距离腐蚀的铜片焊盘至少0.075mm。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">　　阻焊定义焊盘布局(soldermask&nbsp;defined&nbsp;land&nbsp;pattern)。如果使用阻焊定义布局，将焊盘直径相应调整以保证阻焊的覆盖。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: 'Arial'; mso-spacerun: 'yes'">深圳</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">龙芯世纪科技有限公司</font></span><span style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: 'Arial'; mso-spacerun: 'yes'">是一家专业PCB设计、</span><span><a href="http://hexun.com/pcbcblab"><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB&nbsp;Layout</span></a></span><span style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">、抄板、</font></span><span style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: 'Arial'; mso-spacerun: 'yes'">PCB抄板、</span><span><a href="http://blog.tom.com/pcbcblab"><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Arial'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">印刷电路板抄板</span></a></span><span style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: 'Arial'; mso-spacerun: 'yes'">及IC芯片解密的抄板公司，能根据客户的需求,提供无论单、双面、多层板、高频板等的PCB抄板、改板、PCB设计、</span><span><a href="http://pcbcblab.blog.bokee.net/"><span class="15" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Arial'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB原理图设计</span></a></span><span style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: 'Arial'; mso-spacerun: 'yes'">、BOM清单、样机调试及制作业务。</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">详</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">情见：</font></span><span><a href="http://www.pcblab.net/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">http://www.pcblab.net</span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="VERTICAL-ALIGN: baseline; LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">电话&nbsp;(TEL):</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">0755-83511993,83676200</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">&nbsp;<font face="宋体">魏小姐</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="VERTICAL-ALIGN: baseline; LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0755-</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">21199019</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">,</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">21193600</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">&nbsp;<font face="宋体">余小姐</font></span><span style="FONT-WEIGHT: bold; FONT-SIZE: 10.5pt; FONT-FAMILY: 'Arial'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">邮箱(E-mail)：PCBLab@126.com</font></span><span class="16" style="FONT-SIZE: 10.5pt; COLOR: rgb(0,0,0); FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">联系地址：</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">深圳市福田区福虹路世界贸易广场荟景豪庭12F</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">&nbsp;&nbsp;<font face="宋体">邮编：518033</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p></div><!--EndFragment-->http://www.sichinamag.com/blog/pcbchaoban/14056/message.aspx专业PCB抄板PCB设计和芯片解密 IC设计与软件Mon, 07 Jan 2008 11:39:35 GMThttp://www.sichinamag.com/blog/pcbchaoban/12613/message.aspx&nbsp; <div class="Section0"> <p class="0" style="VERTICAL-ALIGN: baseline; LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PCB</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">抄板、高速PCB设计技术——</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PI<font face="宋体">和SI仿真分析</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p class="0" style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><font face="宋体">文章整理：</font></span><span><a href="http://pcbchaoban.xingkong.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'"><font face="宋体">深圳龙芯世纪科技有限公司</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">(pcbchaoban)</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="VERTICAL-ALIGN: baseline; LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">SI---Signal&nbsp;Integrity&nbsp;<font face="宋体">信号完整性&nbsp;</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="VERTICAL-ALIGN: baseline; LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'">PI---Power&nbsp;Integrity&nbsp;<font face="宋体">电源完整性</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="VERTICAL-ALIGN: baseline; LAYOUT-GRID-MODE: char; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">有一个十分大的误区存在于</font></span><span><a href="http://pcbchaoban.blog.zj.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">抄板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">、</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">PCB<font face="宋体">设计</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">工程师中间，尤其是那些曾经使用传统EDA工具来进行高速PCB设计的工程师。有很多PCB抄板、</font></span><span><a href="http://pcbchaoban.blogbus.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">设计</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">工程师曾经问过：“为什么用EDA具的SI信号完整性工具分析出来的结果和我们用仪器实际测试的结果不一致，而且往往是分析的结果比较理想？”其实这个问题很简单。引起这个问题的原因是：一方面是EDA厂商的技术人员没有解释清楚；另一方面是PCB设计人员的对</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">SI</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">仿真结果的理解问题。我们知道，目前中国市场上使用比较多的EDA工具主要是</font></span><span><a href="http://blog.9you.com/pcbchaoban"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">SI<font face="宋体">（信号完整性）仿真分析</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">工具，SI&nbsp;是在不考虑电源的影响下基于布线和器件模型而进行的分析，而且大多数连模拟器件也不考虑（假定是理想的），可想而知，这样的分析结果和实际结果肯定是有误差的。因为大多数情况下，&nbsp;</font></span><span><a href="http://pcbchaoban.blogcn.com/"><span class="15" style="FONT-SIZE: 10pt; COLOR: rgb(0,0,255); FONT-FAMILY: 'Times New Roman'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">PCB<font face="宋体">板</font></span></a></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><font face="宋体">中电源完整性的影响比SI更加严重。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-spacerun: 'yes'"><o:p></o:p></span></p> <p class="0" style="VERTI