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.

Date of Patent:
Jun. 11, 2013

Filed:

Mar. 31, 2009
Applicants:

Kenji Yamamoto, Hyogo, JP;

Albir A. Layyous, Me'ilya, IL;

Inventors:

Kenji Yamamoto, Hyogo, JP;

Albir A. Layyous, Me'ilya, IL;

Assignees:

Kabushiki Kaisha Kobe Seiko Sho, Kobe-shi, JP;

Iscar Ltd., Tefen, IL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a crystalline hard coating layer having no cracks, which exhibits both high hardness and excellent wear resistance at the same time. A method for forming the hard coating layer is also disclosed. A crystalline hard coating layer () coating a substrate () is formed by a PVD method, and contains Si and C as essential components, while containing an element M (which is one or more elements selected from among groupA elements, groupA elements, groupA elements, groupA elements, B, Al and Ru) and N as optional components. The crystalline hard coating layer () has the following composition: SiCNM(where 0.4≦x≦0.6, 0≦y≦0.1, and 0≦z≦0.2).


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