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. 15, 1988
Filed:
Jul. 16, 1986
Applicant:
Inventors:
Shin-ichi Hirano, Nagoya, JP;
Susumu Yamaya, Kawasaki, JP;
Assignee:
Toshiba Tungaloy Co., Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; B32B / ;
U.S. Cl.
CPC ...
428700 ; 428698 ;
Abstract
A cubic boron nitride coated material comprises a substrate, an outer layer consisting essentially of cubic boron nitride and formed on a surface of the substrate, and at least one intermediate layer interposed between the substrate and outer layer, the intermediate layer comprising at least one nitrogen-containing compound selected from the nitrides and nitroxides of Al, Ga, In and Tl and mutual solid solutions thereof. Such a coated material can be produced by a method that comprises: