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:
Oct. 03, 2017
Filed:
Nov. 01, 2013
Sumitomo Electric Hardmetal Corp., Itami-shi, JP;
Anongsack Paseuth, Itami, JP;
Kazuo Yamagata, Itami, JP;
Susumu Okuno, Itami, JP;
Hideaki Kanaoka, Itami, JP;
Hiroyuki Morimoto, Itami, JP;
Minoru Itoh, Sorachi-gun, JP;
Sumitomo Electric Hardmetal Corp., Itami-shi, JP;
Abstract
A surface coated member having improved stability and a longer service life is provided. The surface coated member of the present invention includes a base member and a hard coating formed on a surface thereof. The hard coating is constituted of one or more layers. At least one of the layers is formed by a CVD method and includes a multilayer structure having a first unit layer and a second unit layer being layered alternately. The first unit layer includes a first compound containing Ti and one or more kind of element selected from the group consisting of B, C, N, and O. The second unit layer includes a second compound containing Al and one or more kind of element selected from the group consisting of B, C, N, and O.