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:
Jul. 03, 2001
Filed:
Mar. 15, 1999
Applicant:
Inventor:
Yusuke Iyori, Tokyo, JP;
Assignee:
Hitachi Tool Engineering, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/02 ;
U.S. Cl.
CPC ...
B32B 7/02 ;
Abstract
In the multi-layer-coated member composed of an ultra-hard alloy substrate and a multi-layer coating formed thereon, the multi-layer coating comprises two or more first layers each composed of at least one of carbides, nitrides and carbonitrides of elements of Groups 4a, 5a and 6a of the Periodic Table and Al, and two or more second layers each composed of at least one of oxides, carboxides, oxinitrides and carboxinitrides of elements of Groups 4a, 5a and 6a of the Periodic Table and Al laminated alternately. The first layers adjacent via the second layer are continuous in crystal orientation.