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Author Archives: wangwei


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今日优惠信息

Published: 22 7 月, 2014
板厚1.6MM 2OZ铜厚 感光绿油的无铅喷锡四层板（优惠号：51450722A05L） 截止日期为7月23号 阅读全文...
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PCB布局提升转换器性能

Published: 21 7 月, 2014
【导读】对于开关模式转换器而言，出色的印制电路板(PCB)布局对获得最佳系统性能至关重要。若PCB设计不当，则 […] 阅读全文...
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HDI板的CAM制作方法技巧

Published: 21 7 月, 2014
【导读】由于HDI板适应高集成度IC和高密度互联组装技术发展的要求，它把PCB制造技术推上了新的台阶，并成为P […] 阅读全文...
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阻抗电路板脉冲电流电镀的基本原理

Published: 21 7 月, 2014
【导读】多层阻抗电路板脉冲电流电镀的基本原理与跟常规PCB板的电镀不同。脉冲电流电镀大多采用有正、负向电流并周 […] 阅读全文...
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波峰焊接时长引脚元件的锡尖现象

Published: 21 7 月, 2014
【导读】在焊接过程中，随着焊锡润湿并覆盖线路板表面，线路板上的大部分助焊剂会被冲掉，留下来的助焊剂位于PCB板 […] 阅读全文...
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PCB线路板孔化和电镀的基本特征

Published: 21 7 月, 2014
【导读】在有“芯板”的多层PCB板线路板中所形成的微导通孔的最根本的特征是盲孔,这些微导通孔要通过孔化和电镀铜 […] 阅读全文...
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pcb等离子体蚀孔工艺技术

Published: 21 7 月, 2014
【导读】PCB线路板厂家生产PCB板电镀加工时用的等离子体蚀孔工艺流程图为:PCB线路板芯板处理→涂覆形成PC […] 阅读全文...
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pcb多层线路板基材对CO2激光蚀孔的影响

Published: 21 7 月, 2014
【导读】因PCB基材吸收率的不同,电路板厂家要采用CO2激光蚀孔法加工多层线路板时，容易产生树脂残留物或线路板 […] 阅读全文...
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怎么实现低成本PCB设计与布局

Published: 21 7 月, 2014
【导读】25年来，CadSoftEAGLE一直以低价格为全球设计工程师提供与昂贵的商用PCB设计软件相同的核心 […] 阅读全文...
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分步激光法加工PCB阻抗电路板微盲孔

Published: 21 7 月, 2014
【导读】分步激光法是指在相同激光能量下采用多次激光对PCB多层阻抗电路板进行微盲目孔的加工方法。分步法微盲孔能 […] 阅读全文...
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