請問一下你們的鍍金曾要求厚度是多少

如果金厚不夠這種現象會出現的

 

From: TGAsia [mailto:[log in to unmask]] On Behalf Of 王道群
Sent: Friday, September 05, 2014 12:13 PM
To: [log in to unmask]
Subject: Re: [TGAsia] PCB鍍金層在回流焊後出現斑點

 

斑点应该是镀金下面的镍





 

在 2014-09-05 11:01:00，"Justin Wu" <[log in to unmask]> 写道：



各位專家,

 

請問PCB鍍金層在回流焊後出現斑點是何原因(注:不印刷锡膏也同樣存在類似問題)?

 

Thanks in advance!

 

Best regards,

 

Justin 



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