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:
Jan. 21, 1997
Filed:
May. 09, 1995
Applicant:
Inventors:
Hiroshi Yamagata, Toyama-ken, JP;
Shinichiro Maruyama, Toyama, JP;
Assignee:
YKK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
428216 ; 428336 ; 428469 ; 428472 ; 428701 ; 428702 ;
Abstract
Disclosed is a wear-resistant film deposited on an aluminum alloy substrate with high adhesiveness by a physical vapor deposition process. On the surface of the aluminum alloy substrate, an aluminum oxide film is formed through the medium of a silicon oxide film. The deposition of the silicon oxide film and the aluminum oxide film on the surface of the aluminum alloy substrate is carried out by a physical vapor deposition process such as the sputtering process and the ion plating process.