Silver-coated material for movable contact component and method for manufacturing such silver-coated material
OwnerSuguru Yamaguchi, Yoshiaki Kobayashiinventors
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Abstract
A silver-coated material for a movable contact component is provided, in which a conductive base member (1) composed of iron or an iron alloy is coated with an underlayer (2) composed of nickel or a nickel alloy of 0.005 to 0.5 μm thick, the underlayer (2) is coated with an intermediate layer (3) composed of palladium, a palladium alloy or a silver tin alloy of 0.01 to 0.5 μm thick and the intermediate layer (3) is coated with an outermost surface layer (4) composed of silver or a silver alloy.
Claims5
A silver-coated material for a movable contact component, comprising:
- a conductive base member formed of iron or iron alloy;
- an underlayer coating the conductive base member, said underlayer being formed of nickel or a nickel alloy and having a thickness of 0.005 to 0.5 μm;
- an intermediate layer covering the underlayer, said intermediate layer being formed of palladium, a palladium alloy or a silver tin alloy and having a thickness of 0.01 to 0.5 μm;
- and
- an outermost surface layer covering the intermediate layer and formed of silver or a silver alloy.
A silver-coated material for a movable contact component, comprising:
- a conductive base member formed of iron or iron alloy;
- an intermediate layer covering the conductive base member, said intermediate layer being formed of palladium, a palladium
- alloy or a silver tin alloy and having a thickness of 0.01 to 0.5 μm thick;
- and
- an outermost surface layer covering the intermediate layer and formed of silver or a silver alloy.
Dependencies are inferred from the claim text.