Get to Know the ENEPIG — A type of the PCB surface finish

The Electroless Nickel Electroless Palladium Immersion Gold(ENEPIG) process is the earliest surface treatment process developed by Intel. By adding a palladium plating layer between nickel plating and pure gold plating, the nickel plating is separated from the gold plating layer to isolate the migration of nickel to the surface gold layer, and the thickness of the gold plating layer can be reduced to less than 0.1um. Because metal palladium is wear-resistant and has a higher hardness than hard g...

PCB Surface Finish, ENIG ENEPIG

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