1. 看元件管脚有歪, 波峰后是否有做切脚工艺导致?
  2. 元件管脚氧化也是可能因素;
  3. 炉温曲线也是需要检查的;
 
 
2010-11-03
Thanks and best  regards!
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天通精电科技有限公司
TDG Technology Zhejiang Co., Ltd.
林永忠
Tony Lin
Vice General Manager
Mobile Tel.:86-13736484228
Tel:86-573-8258 3772
Fax:86-573-82585759
Web.Site: www.tdg-tech.com
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To be China's top electronics manufacturing
service (EMS) providers implementing international standards
发件人： Jessy Lai
发送时间： 2010-11-02  19:37:19
收件人： TGAsia
抄送：
主题： [TGAsia] 答复:_过波峰炉产生锡裂原因

 

各位高手：

  请看下图，元件过波峰炉后产生锡裂，请问是什么原因造成？


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