发明名称 |
Decorative black wear protection coating |
摘要 |
Conventional black coatings for objects of common use usually formed as a carbon layer or porous metal layers, have a deficient wear resistance and surface quality. The resistant high gloss black coatings according to the invention comprise oxycarbonitrides, the proportion of carbon. Preferably the layer comprises an oxycarbonitride of an alloy of Ti, Zr and Hf, the oxygen component between 40 and 60 atom percent. Use of the invention is mainly for decorative utility objects, e.g. watch cases.
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申请公布号 |
US4758280(A) |
申请公布日期 |
1988.07.19 |
申请号 |
US19870002967 |
申请日期 |
1987.01.13 |
申请人 |
BALZERS AKTIENGESELLSCHAFT |
发明人 |
BERGMANN, ERICH;NUEESCH, PETER |
分类号 |
C09D5/46;C23C14/06;C23C14/34;C23C30/00;G04B37/22;(IPC1-7):B32B9/00;C09D1/00 |
主分类号 |
C09D5/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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