Title:
INDUCTOR
Document Type and Number:
WIPO Patent Application WO/2021/029141
Kind Code:
A1
Abstract:
This inductor 1 is provided with: a first wiring 21 and a second wiring 22; a first magnetic layer 31 containing approximately spherical-shaped magnetic particles; a second magnetic layer 51 containing approximately flat-shaped magnetic particles ; and a third magnetic layer 71 containing approximately flat-shaped magnetic particles. The relative magnetic permeability of each of the second magnetic layer 51 and the third magnetic layer 71 is higher than the relative magnetic permeability of the first magnetic layer 31. A fourth surface 54 of the first magnetic layer 31 has a second recess section 60. A sixth surface 74 of the third magnetic layer 71 has a fourth recess section 80.
Inventors:
FURUKAWA YOSHIHIRO (JP)
OKUMURA KEISUKE (JP)
OKUMURA KEISUKE (JP)
Application Number:
PCT/JP2020/024102
Publication Date:
February 18, 2021
Filing Date:
June 19, 2020
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
H01F17/04; H01F27/24
Foreign References:
| JPH01146424U | 1989-10-09 | |||
| JP2008288370A | 2008-11-27 | |||
| JP2013543635A | 2013-12-05 | |||
| JP2001185421A | 2001-07-06 | |||
| JPH10144526A | 1998-05-29 | |||
| JP2014165363A | 2014-09-08 | |||
| JP2004296746A | 2004-10-21 |
Attorney, Agent or Firm:
OKAMOTO, Hiroyuki et al. (JP)
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