Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masahito Hikiji0
Yasuki Kido0
Susumu Okuno0
Fumiyoshi Kobayashi0
Date of Patent
March 15, 2022
0Patent Application Number
172591980
Date Filed
June 4, 2020
0Patent Primary Examiner
A cutting tool includes: a substrate; a hard layer provided on the substrate; and a titanium carbonitride layer provided on the hard layer, wherein a thickness of the titanium carbonitride layer is more than or equal to 2 μm, a hardness of the titanium carbonitride layer at a room temperature is more than or equal to 35 GPa, and a Young's modulus of the titanium carbonitride layer at the room temperature is more than or equal to 800 GPa.
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