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Electroless & Electroplating

For prototyping and single lot printed circuit boards, the through holes in a copper clad board must be properly prepped before they can be electroplated by a standard copper plating process. Through-hole preparation requires making the through hole walls conductive, as it requires a conductive surface to allow electroplating. The electroless plating process makes this possible by applying a thin layer of copper to the inside of each through hole. While this is not sufficient to carry normal circuit loads, it is sufficient enough to allow electroplating to.