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:
May. 05, 2026
Filed:
Mar. 29, 2021
Applicant:
Guangdong University of Technology, Guangzhou, CN;
Inventors:
Assignee:
GUANGDONG UNIVERSITY OF TECHNOLOGY, Guangzhou, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 16/27 (2006.01); B23B 27/14 (2006.01);
U.S. Cl.
CPC ...
B23B 27/148 (2013.01); C23C 16/271 (2013.01); B23B 2226/00 (2013.01); B23B 2226/31 (2013.01); B23B 2228/105 (2013.01);
Abstract
A cutting tool, including a silicon nitride (SiN) ceramic substrate, and a diamond film coated on the surface of the SiNceramic substrate. The diamond film has a thickness of 7-12 μm. The cutting tool includes a tool nose, a blade, and a handle. The blade has a rake angle γ of 5-15°, a clearance angle α of 10-14°, and a helix angle of 15-45°. The blade includes four cutting edges.