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July 2012

TGAsia@IPC.ORG
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Re: 关于press fit的镀铜孔，是否有相关标准定义其roughness? 如何测量roughness? 现有一客户定义为30um，是否合适？
From:
Eileen Xiang <[log in to unmask]>
Reply To:
Eileen Xiang <[log in to unmask]>
Date:
Wed, 1 Aug 2012 12:54:14 +0800
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Hi 各位大侠们
关于press fit的镀铜孔，是否有相关IP标准定义其roughness应该根据不同的孔径，定义为多少合适? 
Roughness是如何测量的? 
现有一客户定义为30um，是否合适？
一般的PCB板厂是否有能力做到这样的要求？


请高手们帮忙解答！

Thanks！
BR/Eileen

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