PCB ENEPIG: The Plating Process
Electroless nickel/electroless palladium/immersion gold (ENEPIG) is sometimes referred to as the universal finish, because of the versatility of its applications. It is a multifunctional surface finish, applicable to soldering and wire bonding (gold, aluminum, copper and palladium clad copper). In addition, it is also suitable as the mating surface for soft membrane and steel dome [...]