Get Exposed Copper Ductwork US. I've recently saw many pcbs with exposed copper on the perimeter. But the exposed area does not change color like the rest of my pads.
What would the benefits be?
And what would the cost be as opposed to regular ductwork? I've recently saw many pcbs with exposed copper on the perimeter. I want to know what is this. Some even have vias all over the exposed copper.
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