Title:
コイル部品及びコイル部品の製造方法
Document Type and Number:
Japanese Patent JP7307524
Kind Code:
B2
Abstract:
Provided is a coil component that includes a coil part having a planar coil that includes a winding section and an insulating section covering the winding section, and a magnetic resin layer including a magnetic filler and configured to cover the coil part. The magnetic resin layer has a first magnetic resin layer that is in contact with the coil part and a second magnetic resin layer that is laminated on the first magnetic resin layer. The second magnetic resin layer constitutes a principal surface of the magnetic resin layer, and a maximum particle size of the magnetic filler contained in the second magnetic resin layer is larger than that of the magnetic filler contained in the first magnetic resin layer.
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Inventors:
Yuichi Kawaguchi
Masanori Suzuki
Naoaki Fujii
Masanori Suzuki
Naoaki Fujii
Application Number:
JP2017178179A
Publication Date:
July 12, 2023
Filing Date:
September 15, 2017
Export Citation:
Assignee:
TDK Corporation
International Classes:
H01F17/00; H01F17/04; H01F41/04
Domestic Patent References:
| JP2017103354A | ||||
| JP20169858A | ||||
| JP2013135208A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Takashi Mikami
Yoshiki Kuroki
Takashi Mikami