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:
May. 03, 2022
Filed:
Dec. 20, 2017
Applicant:
Posco, Pohang-si, KR;
Inventors:
Oh-Yeoul Kwon, Pohang-si, KR;
Se-Min Park, Pohang-si, KR;
Jong-Tae Park, Pohang-si, KR;
Won-Gul Lee, Pohang-si, KR;
Assignee:
POSCO, Pohang-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 3/30 (2006.01); B23K 26/364 (2014.01); B23K 26/16 (2006.01); C21D 1/18 (2006.01); C21D 3/04 (2006.01); C21D 9/46 (2006.01);
U.S. Cl.
CPC ...
B23K 26/364 (2015.10); B23K 26/16 (2013.01); C21D 1/18 (2013.01); C21D 3/04 (2013.01); C21D 9/46 (2013.01); C22C 2204/00 (2013.01);
Abstract
A grain-oriented electrical steel sheet includes a groove formed on a surface and a solidified alloy layer formed under the groove, wherein the solidified alloy layer includes particles of a certain average diameter.