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:
Apr. 14, 2020
Filed:
Oct. 31, 2016
Mitsubishi Materials Corporation, Tokyo, JP;
Sho Tatsuoka, Naka, JP;
Kenichi Sato, Naka, JP;
Kousuke Yanagisawa, Naka, JP;
Shin Nishida, Naka, JP;
MITSUBISHI MATERIALS CORPORATION, Tokyo, JP;
Abstract
In this surface-coated cutting tool, a hard coating layer includes at least a layer of a complex nitride or complex carbonitride expressed by a composition formula: (CrAl)(CN) or a layer of a complex nitride or complex carbonitride expressed by a composition formula: (TiAlMe)(CN), crystal grains configuring the layer of a complex nitride or complex carbonitride having an NaCl type face-centered cubic structure are present, and predetermined average crystal grain misorientation and inclined angle frequency distribution are present in the crystal grains having an NaCl type face-centered cubic structure.