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. 21, 2020
Filed:
Feb. 24, 2017
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Hayato Kubo, Satsumasendai, JP;
Yoshikazu Kodama, Satsumasendai, JP;
Hirotoshi Itoh, Satsumasendai, JP;
KYOCERA CORPORATION, Kyoto-shi, Kyoto, JP;
Abstract
A coated tool may include a substrate and a coating layer located on a surface of the substrate. The coating layer includes: a first titanium carbonitride layer located on the substrate; a second titanium carbonitride layer located on the first titanium carbonitride layer; and an aluminum oxide layer located on the second titanium carbonitride layer. The first titanium carbonitride layer includes a plurality of first protrusions protruding toward a side of the aluminum oxide layer. The second titanium carbonitride layer includes a plurality of second protrusions protruding toward a side of the aluminum oxide layer. A number of second protrusions is greater than that of the first protrusions.