The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 18, 2015
Filed:
Feb. 01, 2011
Masatoshi Sakurai, Toyokawa, JP;
Toshihiro Ohchi, Toyokawa, JP;
Masatoshi Sakurai, Toyokawa, JP;
Toshihiro Ohchi, Toyokawa, JP;
OSG CORPORATION, Toyokawa-Shi, JP;
Abstract
A hard laminar coating having a first 61 m and a second film having respective different compositions and alternately laminated on a surface of a base structure, wherein the first film is a carbide, a nitride, a carboxide, a nitroxide, a carbonitride or a carbo-oxynitride of (AlCrB), while the second film is TiB, the hard laminar coating configured to include atomic ratios a, b and c in the first film satisfying a=1−b−c, 0.2≦b≦0.7, and 0<c≦0.2, and a thickness of the first film being no less than 0.1 μm and no more than 5.0 μm, while a thickness of the second film being no less than 0.1 μm and no more than 5.0 μm, and to have a total thickness of no less than 0.2 μm and no more than 10.0 μm, and the hard laminar.