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. 15, 2024
Filed:
May. 23, 2019
Posco, Pohang-si, KR;
Se-Min Park, Pohang-si, KR;
Seong-Cheol Hong, Pohang-si, KR;
Hyun-Chul Park, Pohang-si, KR;
Jung-Moon Kang, Pohang-si, KR;
Chang-Ho Kim, Pohang-si, KR;
Won-Gul Lee, Pohang-si, KR;
Ki-Young Min, Pohang-si, KR;
POSCO CO., LTD, Pohang-si, KR;
Abstract
A grain-orientation electrical steel sheet according to an exemplary embodiment of the present invention includes a linear groove formed in a direction intersecting with the rolling direction, the groove includes the gradient section and the uniform section on a cross section including the transverse direction of the groove and the rolling surface normal direction of the steel sheet, and a length of the gradient section (GS) and the length of the uniform section (US) satisfy Equation 1 below.0.1≤[GSL]/[USL]≤0.5 [Equation 1]