摘要
无铅时代的到来,板材也正在逐步向无铅体系板材过渡,随之也带来一些负面影响;有铅板材开V槽后进行沉镍金,没有出现V槽上金;无铅板材开V槽后进行沉镍金,断续出现V槽上金;从板材、刀具、沉镍金工艺三个方面实践论述V槽上金的原因分析及解决办法。
In the lead-free era, it is gradually transited to lead-free system board; subsequently, it also brings some negative effects. A lead sheet with V slot after ENIG, does not appear gold in V slot. However the lead-free V slot after ENIG, gold appears. The paper sheet, tool, ENIG process three respects practice of V slot are analyzed and solution is recommended.
出处
《印制电路信息》
2013年第5期12-17,共6页
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