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.

Date of Patent:
Jun. 28, 2022

Filed:

Feb. 13, 2018
Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventors:

Mi Jin Lee, Seoul, KR;

Yu Seon Kim, Seoul, KR;

Seok Bae, Seoul, KR;

Ji Yeon Song, Seoul, KR;

Sang Won Lee, Seoul, KR;

Jong Wook Lim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 17/06 (2006.01); H03H 7/01 (2006.01); H01F 1/147 (2006.01); H01F 1/34 (2006.01);
U.S. Cl.
CPC ...
H01F 17/062 (2013.01); H01F 1/14766 (2013.01); H01F 1/344 (2013.01); H03H 7/0115 (2013.01);
Abstract

An inductor according to one embodiment of the present invention comprised: a magnetic core; and a coil wound around the magnetic core, wherein the magnetic core includes a plurality of stacked sub-magnetic cores, each sub-magnetic core includes a first magnetic body and a second magnetic body, the first magnetic body and the second magnetic core are different materials, the second magnetic body is arranged on a surface of the first magnetic body, each sub-magnetic core has a toroidal shape, and a permeability of the first magnetic body differs from a permeability of the second magnetic body.


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