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:
Dec. 10, 2024
Filed:
Nov. 26, 2019
Applicant:
Posco, Pohang-si, KR;
Inventors:
Bongwoo Ha, Pohang-si, KR;
Jung-Woo Kim, Pohang-si, KR;
Taeyoung No, Pohang-si, KR;
Dong-Gyu Lee, Pohang-si, KR;
Assignee:
POSCO Co., Ltd, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 5/04 (2006.01); B32B 7/12 (2006.01); B32B 15/01 (2006.01); B32B 37/12 (2006.01); C09J 7/28 (2018.01); H01F 1/147 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
C09J 5/04 (2013.01); B32B 7/12 (2013.01); B32B 15/011 (2013.01); B32B 37/12 (2013.01); C09J 7/28 (2018.01); H01F 1/147 (2013.01); H01F 41/02 (2013.01); C09J 2301/1242 (2020.08); C09J 2400/166 (2013.01); C09J 2423/04 (2013.01); C09J 2425/00 (2013.01); C09J 2433/00 (2013.01); C09J 2461/00 (2013.01); C09J 2463/00 (2013.01); C09J 2467/00 (2013.01); C09J 2475/00 (2013.01); C09J 2483/00 (2013.01);
Abstract
An embodiment of the present invention provides an electrical steel sheet including: an upper adhesive layer positioned on an upper surface of an electrical steel sheet; and an lower adhesive layer positioned on a lower surface of the electrical steel sheet, wherein the upper adhesive layer has a pencil hardness of F or lower, and the lower adhesive layer has a pencil hardness of H or higher.