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September 2013

TGAsia@IPC.ORG

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sungaixian_007 <[log in to unmask]>, TGAsia <[log in to unmask]>
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Wed, 4 Sep 2013 06:40:23 +0000
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"Jack Junjie. Shi" <[log in to unmask]>
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Hi Mr.Sun,



Please read IPC-CH-65B for reference.



Thanks and best regards.

Jack Shi



发件人: TGAsia [mailto:[log in to unmask]] 代表 sungaixian_007

发送时间: 2013年9月4日 13:56

收件人: TGAsia

主题: [TGAsia] 焊接后的清洗剂选择



各位,

请教大家一个问题,焊接后的清洗剂选择 在IPC 标准里面有没有相关的标准或是指南?

采用酒精+牙刷(防静电)清洗PCBA 的方式是否可取? 会否导致额外的问题?

请各位指点!



孙该贤









在 2013-09-03 09:59:51,"黃志宏 副處長 Leo" <[log in to unmask]<mailto:[log in to unmask]>> 写道:



其實這就是看原始客戶的設計.對PCB工廠來說常見尺寸公差為+/-0.127MM

或+/-0.1MM.比較嚴苛的就是+/-0.075MM.但這要看設備能力



From: TGAsia [mailto:[log in to unmask]<mailto:[log in to unmask]>] On Behalf Of YanQiong Wu

Sent: Monday, September 02, 2013 8:16 PM

To: [log in to unmask]<mailto:[log in to unmask]>

Subject: Re: [TGAsia] 关于永久性聚合物涂覆



Hi all:

各位專家有沒有關於PCBA尺寸公差的標准,或是業界通用的標准是多少?



Best regards

吳延瓊

20230



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TGAsia是一个为业界同仁提供技术交流的平台。您可以在论坛上提出技术问题,交流行业经验,寻找供应商等。请勿发送任何招聘,广告信息。(注:对于寻求供应商的邮件,请勿回复[log in to unmask]<mailto:请勿回复[log in to unmask]>,请私下和发件人联系)。如您需要退出该邮件论坛,请直接发送邮件至 [log in to unmask]<mailto:[log in to unmask]> ,谢谢。







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TGAsia是一个为业界同仁提供技术交流的平台。您可以在论坛上提出技术问题,交流行业经验,寻找供应商等。请勿发送任何招聘,广告信息。(注:对于寻求供应商的邮件,请勿回复[log in to unmask],请私下和发件人联系)。如您需要退出该邮件论坛,请直接发送邮件至 [log in to unmask]<mailto:[log in to unmask]> ,谢谢。


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