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. 30, 2024
Filed:
Apr. 24, 2020
Applicants:
Sumitomo Electric Hardmetal Corp., Itami, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Daiji Tabayashi, Itami, JP;
Haruyo Fukui, Itami, JP;
Yoshihiro Saito, Osaka, JP;
Kazuya Tokuda, Osaka, JP;
Yoshiharu Utsumi, Kyoto, JP;
Hajime Takamatsu, Kyoto, JP;
Assignees:
SUMITOMO ELECTRIC HARDMETAL CORP., Itami, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01); C23C 16/02 (2006.01); C23C 16/26 (2006.01); C23C 28/04 (2006.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
C23C 16/26 (2013.01); C23C 16/0272 (2013.01); C23C 28/044 (2013.01); B32B 9/007 (2013.01); B82Y 30/00 (2013.01); Y10T 428/30 (2015.01);
Abstract
Provided is a cutting tool comprising a base body and a hard carbon film arranged on the base body, in which the hard carbon film includes an amorphous phase and a graphite phase, the degree of crystallinity of the hard carbon film is no more than 6.5%, and the degree of orientation of the graphite phase is no more than 6.