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August 2011

TGAsia@IPC.ORG
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Subject:
答复: [TGAsia]
From:
eagle <[log in to unmask]>
Reply To:
Asia Committe Task Group Forum <[log in to unmask]>, eagle <[log in to unmask]>
Date:
Fri, 26 Aug 2011 12:39:27 +0800
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请问白色斑迹位于什么位置，绿油上还是内部？在什么情况下出现的这种现象，比例如
何？

 

 

 

Best Regards! 

 

杨振英   Eagle Yang

 

发件人: TGAsia [mailto:[log in to unmask]] 代表 wuhao
发送时间: 2011年8月26日 12:43
收件人: [log in to unmask]
主题: [TGAsia]

 

All :

 

Does anyone can share the experience of this similar case ?thank you !

 

Best regards

HAO

 

  _____  

From: wuhao [mailto:[log in to unmask]] 
Sent: Thursday, August 25, 2011 4:58 PM
To: 'Asia Committe Task Group Forum'
Subject: RE: [TGAsia]

Dear all ：

 

在我司產線上發現有1款pcb vias 周圍有白色斑跡 現象，如下圖

 

請大家分析下造成此問題原因

 

 

 



 

thanks

HAO


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