1.what's difference between negative plane and positive plane?
2.what's mean plated,should the normal pad be plated?
3.设计PAD时，与其相连的字母A有什么作用？.
4.what's mean soldermask?
5.wha t's mean pastemask?
6.what's difference between assemble outline and silkscreen outline?
thank you.
/2 
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创芯大讲堂
创芯人才网
发表于 2005-10-24 20:45:03
