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. 09, 2024
Filed:
Mar. 30, 2022
Nippon Steel Corporation, Tokyo, JP;
Kazutoshi Takeda, Tokyo, JP;
Minako Fukuchi, Tokyo, JP;
Yoshiaki Natori, Tokyo, JP;
Hiroyasu Fujii, Tokyo, JP;
Shinsuke Takatani, Tokyo, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
This non-oriented electrical steel sheet includes a base steel sheet (); and an insulation coating () formed on a surface of the base steel sheet (), in which the insulation coating () contains a metal phosphate and an organic resin, an arithmetic mean of a center line average roughness Raof the insulation coating () in a rolling direction of the base steel sheet () and a center line average roughness Raof the insulation coating () in a direction perpendicular to the rolling direction is 0.20 to 0.50 μm, and the amount of nitrogen in the insulation coating () is 0.05 to 5.00 mass %.