All :
 
Does anyone can share the experience of this similar case ?thank you !
 
Best regards
HAO

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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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