浅谈锡珠的形成原因及改善方法
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摘要
锡珠现象是SMT生产过程中的主要缺陷之一,回流焊后主要发生在(CHIP元件)片式阻容组件的侧面,锡珠会导致线路短路,造成产品的质量隐患。本文通过对锡珠产生的原因进行分析,并提出相应的改善方法。
Tin beads phenomenon is one of the main defects in SMT production process, which will be occurred mainly in the side of chip resistor and capacitance(chip components) after reflow,Tin beads will lead to short-circuit, resulting in the hidden danger of product quality. Through analysis of the cause of tin beads in this paper, improvement methods will be put forward.
引文
[1]王丽,蔡小洪,再流焊锡珠的形成与预防[J].电子质量2002,
    [2]IPC-A-610E CN电子组件的可接受性.2010.4
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    [4]W.B.Hance,P.A.Jaeger,and N.-C.Lee,“Solder Beading in SMT-Cause and Cure”,Surface Mount1990,San Jose,CA(1990)
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    [6]李宁成,再流焊接工艺及缺陷侦断[M],2004

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