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. 25, 2025
Filed:
Oct. 09, 2020
Applicant:
Sumitomo Electric Hardmetal Corp., Hyogo, JP;
Inventors:
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/27 (2006.01); B23B 27/20 (2006.01);
U.S. Cl.
CPC ...
B23B 27/20 (2013.01); C23C 16/27 (2013.01); B23B 2226/31 (2013.01);
Abstract
A diamond coated tool includes a base material and a diamond layer provided on the base material. The diamond layer has a boron content of 1×10ppma or more and 1×10ppma or less and an oxygen content of 1×10ppma or more and 1×10ppma or less in a first region surrounded by a surface of the diamond layer and a first imaginary plane located at a distance of 1 μm from the surface in a thickness direction.