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, 2023
Filed:
Dec. 17, 2018
Applicant:
Posco, Pohang-si, KR;
Inventors:
Se-Min Park, Pohang-si, KR;
Jae Soo Kim, Pohang-si, KR;
Ki-Young Min, Pohang-si, KR;
Seong-Cheol Hong, Pohang-si, KR;
Won-Gul Lee, Pohang-si, KR;
Assignee:
POSCO CO., LTD, Pohang-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 26/00 (2014.01); B23K 26/356 (2014.01); B23K 26/364 (2014.01); B23K 103/04 (2006.01);
U.S. Cl.
CPC ...
B23K 26/0006 (2013.01); B23K 26/356 (2015.10); B23K 26/364 (2015.10); B23K 2103/04 (2018.08);
Abstract
A grain-oriented electrical steel sheet according to an embodiment of the present invention includes: a groove on a line formed on one surface of an electrical steel sheet in a direction crossing a rolling direction; and a thermal shock portion on a line formed on one surface of the electrical steel sheet in the direction crossing the rolling direction, wherein a distance between the groove and the thermal shock portion is 1 mm or less.