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. 21, 2026
Filed:
Feb. 18, 2022
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/147 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/14766 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 2202/02 (2013.01);
Abstract
A magnetic core according to one embodiment of the present invention includes a material formed of iron (Fe)-silicon (Si)-boron (B), wherein a mass percentage of Fe in a first surface, which is an upper surface, is different from a mass percentage of Fe in a second surface which is a side surface, and a ratio of the mass percentage of Fe in the first surface to a difference between the mass percentage of Fe in the first surface and the mass percentage of Fe in the second surface is in the range of 6 to 21.