Title:
MAGNETIC ELEMENT AND CIRCUIT BOARD INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2022/045790
Kind Code:
A1
Abstract:
The present invention relates to a magnetic coupling device that can become slim and a circuit board including same. A magnetic coupling device according to one embodiment of the present invention comprises: a core unit including an upper core and a lower core; and a coil unit of which a part is arranged in the core unit, and which includes a first coil unit and a second coil unit, wherein the first coil unit and the second coil unit have a substrate and conductive patterns arranged on both surfaces of the substrate, and the conductive patterns on both surfaces can be conducted through a plurality of via holes arranged in the extending direction of the conductive patterns.
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Inventors:
KIM YONG HWAN (KR)
KIM YU SEON (KR)
BAE SEOK (KR)
KIM YU SEON (KR)
BAE SEOK (KR)
Application Number:
PCT/KR2021/011422
Publication Date:
March 03, 2022
Filing Date:
August 26, 2021
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H01F27/28; H01F17/00; H01F30/06; H05K1/11; H05K1/16
Foreign References:
| KR20130035474A | 2013-04-09 | |||
| KR20150035947A | 2015-04-07 | |||
| KR20110123115A | 2011-11-14 | |||
| KR101167789B1 | 2012-07-25 | |||
| US20130113591A1 | 2013-05-09 |
Attorney, Agent or Firm:
PARK, Byeong Suk (KR)
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