Title:
金属磁性粒子、インダクタ、金属磁性粒子の製造方法及び金属磁性体コアの製造方法
Document Type and Number:
Japanese Patent JP7456234
Kind Code:
B2
Abstract:
A metal magnetic particle provided with an oxide layer on a surface of an alloy particle containing Fe and Si, wherein the oxide layer has a first oxide layer, a second oxide layer, and a third oxide layer from the alloy particle side. Also, in line analysis of element content by using a scanning transmission electron microscope-energy dispersive X-ray spectroscopy, the first oxide layer is a layer where Si content takes a local maximum value, the second oxide layer is a layer where Fe content takes a local maximum value, and the third oxide layer is a layer where Si content takes a local maximum value.
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Inventors:
Takuya Ishida
Makoto Yamamoto
Katsutoshi Uji
Yuya Ishida
Mitsuru Odawara
Makoto Yamamoto
Katsutoshi Uji
Yuya Ishida
Mitsuru Odawara
Application Number:
JP2020058368A
Publication Date:
March 27, 2024
Filing Date:
March 27, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01F1/33; B22F1/00; B22F1/14; B22F3/00; C22C38/00; H01F1/147; H01F1/24; H01F27/255; H01F41/02
Domestic Patent References:
| JP2019160943A | ||||
| JP2019009307A | ||||
| JP2021158261A |
Attorney, Agent or Firm:
Patent Attorney Firm WisePlus