J
jayleung
Guest
嗨,我有一个一般性的问题,对印刷电路板制造商。该工厂的房子告诉我,当我1/2OZ铜箔(0.7 mil)的外层上使用,更多的铜电镀后为甲状旁腺,约2.2mil。是真的吗?什么是最低的铜镀层厚度?请问这取决于对PTH铜厚度?感谢。
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