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:
Apr. 07, 2026
Filed:
May. 23, 2019
Posco, Pohang-si, KR;
Oh-Yeoul Kwon, Pohang-si, KR;
Jong-Tae Park, Pohang-si, KR;
Woo-Sin Kim, Pohang-si, KR;
Chang-Ho Kim, Pohang-si, KR;
Hyun-Chul Park, Pohang-si, KR;
Won-Gul Lee, Pohang-si, KR;
Oho-Cheal Kwon, Pohang-si, KR;
POSCO CO., LTD, Pohang-si, KR;
Abstract
An embodiment of the present invention provides a grain-oriented electrical steel sheet, including: a linear groove formed in a direction crossing a rolling direction on one surface or both surfaces of an electrical steel sheet; and a linear thermal shock portion formed in the direction crossing the rolling direction on one surface or both surfaces of the electrical steel sheet. The groove is formed in plural along the rolling direction, a distance Dbetween the groove and the thermal shock portion is 0.2 to 0.5 times a distance Dbetween the grooves, and a distance Dbetween the thermal shock portions is 0.2 to 3.0 times the distance Dbetween the grooves.