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:
Jun. 11, 2024
Filed:
Sep. 22, 2022
Sumitomo Electric Industries, Ltd., Osaka, JP;
Haruyo Fukui, Osaka, JP;
Nozomi Tsukihara, Osaka, JP;
Anongsack Paseuth, Osaka, JP;
Toshihiro Tabata, Osaka, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Abstract
A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of TiAlCeN, a is between greater than or equal to 0.350 and equal to or less than 0.650, b is between greater than or equal to 0.001 and equal to or less than 0.100, the second unit layer is composed of TiSiN, and c is between greater than or equal to 0.20 and equal to or less than 0.99.