此点位是机打的还是手插的,过波峰焊的时间,还有就是助焊剂,从图片上看,吃锡都不饱满啊.引脚过长过波峰焊焊接后就有碰撞?
Dear
All,
有谁帮我看看附件上的几幅图片,什么情况下可能会造成如此锡裂?谢谢!
发件人: WTSZ-WenLi Mao
发送时间: Tuesday, March
11, 2008 12:22 PM
收件人: WTSZ-Anny
Zhou
主题:
转发:
Discrepant Material Report #IRR-080088 Requires
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