Does anyone have details how a a backdrilled board is finished? In other words, what ends up in the hole? Depeneding on when it happens in the entire process, it seems unlikely that leaving exposed copper in a via hole is a good idea.
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Does anyone have details how a a backdrilled board is finished? In other words, what ends up in the hole? Depeneding on when it happens in the entire process, it seems unlikely that leaving exposed copper in a via hole is a good idea.