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Is PCB immersion gold a physical method?

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Is PCB immersion gold a physical method?

by (26.3k points)

1 Answer

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PCB immersion gold is not a physical method. PCB immersion gold is to soak the circuit board in an electrolyte containing gold ions. Through Electrochemical reaction, the gold ions are reduced into metal and deposited on the surface of the circuit board to form a uniform metal film.

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