各位:

請各位大俠幫忙分析一下,如下的不良圖片,貼片二極體一端PAD吃錫良好,另一端PAD沒有銲錫【PCB沒有動過烙鐵的痕跡,PAD很光滑】,主要是什麽會產生這種不良?

說明:零件撥動的時候斷掉了,零件另一端PAD底部及側面有銲錫【沒有發行有動烙鐵的痕跡】

 

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TGAsia是一个为业界同仁提供技术交流的平台。您可以在论坛上提出技术问题,交流行业经验,寻找供应商等。请勿发送任何招聘,广告信息。(注:对于寻求供应商的邮件,请勿回复[log in to unmask],请私下和发件人联系)。如您需要退出该邮件论坛,请直接发送邮件至 [log in to unmask] ,谢谢。