Hard decorative member and method for manufacturing the same

Abstract

A hard decorative member of the invention includes a gold alloy layer that is formed as a film by a dry plating method on a base material made of titanium or composed of a base and titanium formed on a surface of the base. The hard decorative member includes an undercoat layer that is formed on the base material and includes titanium carbon nitride, an adhesion layer that is formed on the undercoat layer and includes titanium carbon nitride, gold, copper and palladium, and a gold alloy layer that is formed on the adhesion layer and includes gold, copper and palladium. The gold alloy layer contains 70.3 to 75.2% by weight of gold, 20.7 to 25.6% by weight of copper, and 3.7 to 4.3% by weight of palladium.

Dependencies are inferred from the claim text.