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专利名称：Article having a wear resisting precious
metal coating
发明人：Eric Saurer,Yves Ruedin,Jean-Paul
Randin,Michel Sallin
申请号：US06/926065申请日：19861103公开号：US04745035A公开日：19880517
摘要：The article is provided with a coating resisting wear and corrosion, such coatingbeing for the most part made of a precious metal or alloy of a precious metal, forexample gold or an alloy containing gold.
The coating is made up of a first layer of such precious metal or alloy thereofcomprising discrete inclusions of a metallic compound such as titanium nitride. Theseinclusions are deposited along with the precious metal in vapor phase and distributed in asubstantially homogeneous manner through the entire thickness of the layer, saidthickness being equal to or greater than 0.4 &mgr;m. A second layer of precious metal oralloy thereof is located between the article and said first layer.
The article may be a watch case, a bracelet link or a piece of jewelry.
申请人：ASULAB S.A.
代理机构：Griffin, Branigan & Butler
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