Back to results
US 9,066,564 B2Granted
Decorative article and timepiece
AssigneeSeiko Epson Corporation
InventorsYuzuru Tsukamoto, Atsushi Kawakami
Life of this patent
Estimating the term…
Abstract
A decorative article comprises a substrate being primarily composed of at least any of Ti and stainless steel in at least part of a surface vicinity thereof; a first coat being formed on the substrate and being primarily composed of TiCN; a second coat being formed on a side of the first coat opposite a side facing the substrate and being composed of stainless steel; wherein a combined C content ratio and N content ratio in the first coat is equal to or more than 2.0 wt % and less than or equal to 19 wt %.
Claims14
A decorative article comprising:
- a substrate being primarily composed of at least any of Ti and stainless steel in at least part of a surface vicinity thereof;
- a first coat being formed on the substrate and being primarily composed of TiCN;
- a second coat being formed on a side of the first coat opposite a side facing the substrate and being composed of stainless steel;
- wherein a combined C content and N content in the first coat is equal to or more than 2.0 wt % and less than or equal to 19 wt %, and
- the C content in the first coat is higher than the N content in the first coat.
2 more elements
Dependencies are inferred from the claim text.