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:
Mar. 16, 1999
Filed:
Mar. 17, 1997
Applicant:
Inventors:
Yasuaki Sugizaki, Kobe, JP;
Chunghsien Tsai, Kobe, JP;
Tsutomu Ikeda, Akashi, JP;
Yasuyuki Yamada, Akashi, JP;
Yusuke Tanaka, Akashi, JP;
Yasunori Wada, Akashi, JP;
Yasushi Onishi, Akashi, JP;
Assignee:
Kabushiki Kaisha Kobe Sieko Sho, Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
L23C / ;
U.S. Cl.
CPC ...
428216 ; 428336 ; 428697 ; 428698 ; 428704 ;
Abstract
A hard coating formed on a substrate material and having a first layer and a second layer of which, the first layer is a compound composed of one or more types of metallic elements selected to include at least aluminum or titanium from a group comprising aluminum, titanium and silicon; and also selected from one or more types of non-metallic elements from a group comprising boron, carbon and nitrogen, and the second layer is a lamination of AlBN on the surface.