你所谓的外观问题是指焊点发黑吗？

如果是，我们也碰到类似的情况---------无铅焊接下,PCBA的焊点发黑

我们有一些处理方法，不知道是否适用你们的工艺

请问你的PCB表面处理是什么？

 

 

发件人: TGAsia [mailto:[log in to unmask]] 代表 Lu Chunli
发送时间: Wednesday, March 05, 2014 10:46 AM
收件人: [log in to unmask]
主题: [TGAsia] 无铅焊接外观

 

大家好：向大家请教一个问题，图片中是无铅焊接，这种外观是否是正常现象，如果不
是可能是哪个参数的问题，谢谢！




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