Patent ID: 8652649
Filing Date: 2014-02-18
Classification: B32B,C22C,C23C,C25D,H01R,Y10T

Abstract:
1. An article, comprising: a base material comprising copper; a coating formed on the base material, the coating comprising: a first layer comprising Ni, and W and/or Mo, wherein the first layer has a thickness of greater than 5 microinches, and the first layer is nanocrystalline or amorphous; and a second layer formed on the first layer, the second layer comprising Au, wherein the second layer has a thickness of less than 30 microinches, and the second layer is nanocrystalline or amorphous, wherein the coating has a low level contact resistance less than about 10 mOhm after exposure to mixed flowing gas for 5 days according to ASTM B0845, protocol Class IIa.