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:
Mar. 14, 2023
Filed:
Mar. 19, 2019
Applicant:
Nippon Steel Corporation, Tokyo, JP;
Inventors:
Takashi Kataoka, Tokyo, JP;
Nobusato Morishige, Tokyo, JP;
Haruhiko Atsumi, Tokyo, JP;
Kazutoshi Takeda, Tokyo, JP;
Shin Furutaku, Tokyo, JP;
Hirotoshi Tada, Tokyo, JP;
Ryosuke Tomioka, Tokyo, JP;
Assignee:
NIPPON STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 9/46 (2006.01); C21D 8/12 (2006.01); C21D 6/00 (2006.01); C22C 38/34 (2006.01); C22C 38/20 (2006.01); C22C 38/04 (2006.01); C22C 38/00 (2006.01); C22C 38/06 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); C21D 6/002 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/1222 (2013.01); C21D 8/1233 (2013.01); C21D 8/1255 (2013.01); C21D 8/1272 (2013.01); C21D 8/1283 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/008 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/20 (2013.01); C22C 38/34 (2013.01); C21D 2201/05 (2013.01); C22C 2202/02 (2013.01);
Abstract
A grain-oriented electrical steel sheet includes: a silicon steel sheet including Si and Mn; a glass film arranged on a surface of the silicon steel sheet; and an insulation coating arranged on a surface of the glass film, wherein the glass film includes a Mn-containing oxide.