Glossary - Concepts and terminology of printed circuit boards

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The electrodeposition of an adherent metal coating on a conductive object for protection, decoration, or other purposes. The object to be plated is placed in an electrolyte and connected to one terminal of a DC voltage source. The metal to be deposited is similarly immersed and connected to the other terminals. Ions of the metal provide transfer to metal as they make up the current flow between electrodes.