SILVER-COATED MATERIAL FOR MOVABLE CONTACT COMPONENT AND METHOD FOR MANUFACTURING SUCH SILVER-COATED MATERIAL

摘要

In a silver-coated material for a movable contact component, a conductive base material (1) composed of copper or a copper alloy is covered with a base layer (2), which is composed of nickel or a nickel alloy and has a thickness of 0.01-0.5μm, and the base layer (2) is covered with an intermediate layer (3), which is composed of palladium or a palladium alloy or a silver-tin alloy and has a thickness of 0.01-0.5μm, and on the intermediate layer (3), an outermost layer (4) composed of silver or a silver alloy is formed.