Title:
MAGNETIC CORE, INDUCTOR, AND EMI FILTER COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2019/132413
Kind Code:
A1
Abstract:
An inductor according to an embodiment of the present invention comprises: a first magnetic body having a toroidal shape, and including a ferrite; and a second magnetic body disposed on an outer circumferential surface or an inner circumferential surface of the first magnetic body, wherein the second magnetic body includes: resin material and a plurality of layers of metal ribbons wound along the circumferential direction of the first magnetic body, wherein the resin material comprises a first resin material disposed to cover an outer surface of the plurality of layers of metal ribbons, and a second resin material disposed in at least a part of a plurality of layers of interlayer spaces.
Inventors:
NAH HYUN MIN (KR)
NAM TAEK HOON (KR)
KIM SUNG SAN (KR)
NAM TAEK HOON (KR)
KIM SUNG SAN (KR)
Application Number:
PCT/KR2018/016326
Publication Date:
July 04, 2019
Filing Date:
December 20, 2018
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H01F27/36; H01F1/03; H01F27/28
Foreign References:
| JP2007081239A | 2007-03-29 | |||
| KR20080027371A | 2008-03-26 | |||
| US20150287772A1 | 2015-10-08 | |||
| KR20100128078A | 2010-12-07 | |||
| KR20100009381A | 2010-01-27 |
Attorney, Agent or Firm:
LEE, Seung Chan (KR)
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