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:
Aug. 19, 2025
Filed:
Dec. 18, 2019
Applicant:
Posco, Pohang-si, KR;
Inventors:
Se-Min Park, Pohang-si, KR;
Ju Seung Lee, Pohang-si, KR;
Assignee:
POSCO CO., LTD, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 10/00 (2006.01); H01F 1/18 (2006.01); H01F 27/245 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/18 (2013.01); C21D 10/005 (2013.01); C21D 2201/05 (2013.01); H01F 27/2455 (2013.01); H01F 41/024 (2013.01);
Abstract
A grain-oriented electrical steel sheet includes a plurality of linear deformable portions formed on a surface of the electrical steel sheet in a rolling direction, wherein an interval between the deformable portions changes to correspond to a grain size of grains over the entire length of the steel sheet, and at least two regions in which intervals between the deformable portions are different exist.