专家呀专家！

Regards,
From: TGAsia [mailto:[log in to unmask]] On Behalf Of ADA.HAN ???
Sent: Friday, November 04, 2011 2:22 PM
To: [log in to unmask]
Subject: Re: [TGAsia] black dot on the solder cap

用EDS(能譜分析儀)確認它的元素成分,再結合FTIR(傅立葉紅外光譜儀)確認.

________________________________
From: TGAsia [mailto:[log in to unmask]] On Behalf Of George Fu (CARLISLE)
Sent: Friday, November 04, 2011 1:58 PM
To: [log in to unmask]
Subject: [TGAsia] black dot on the solder cap

请教各位：

如下连接器来料出现黑色斑点，我们感觉像是氧化，有什么办法知道是否是氧化还是别的？

另外，有关除金的问题，大家是否了解在航空航天产品，除金是否是必须的，我没有Ｊ－ＳＴＤ－００１ＥＳ的标准，所以不知道它的标准
到底是怎么介定的。
有朋友知道吗？

[cid:[log in to unmask]]
George Fu
Engineering Department
 Xinhu Industrial Park, Dengwu Village, Qiaotou Town, Dongguan City,Guangdong Province, P.R. China
Tel:     (86)-769-83454979 / 977 / 976  ext. 25
Mobile: (86)13549283592
Fax:    (86)-769-83454972
Email:  [log in to unmask]<mailto:[log in to unmask]>



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