Title:
圧粉磁心及び圧粉磁心の製造方法
Document Type and Number:
Japanese Patent JP7307603
Kind Code:
B2
Abstract:
To provide a powder magnetic core and a manufacturing method of a powder magnetic core that can obtain excellent magnetic properties by reducing iron loss.SOLUTION: A powder magnetic core includes an FeSiAl alloy powder, and an insulating resin that coats the FeSiAl alloy powder, and when the total of the weight of the FeSiAl alloy powder and the weight of Fe2O3 is 100 wt.%, the weight ratio of Fe2O3 is 0.1 wt.% or more.SELECTED DRAWING: Figure 1
Inventors:
Yasuo Oshima
Kota Akaiwa
Hiroshi Arima
Kota Akaiwa
Hiroshi Arima
Application Number:
JP2019114557A
Publication Date:
July 12, 2023
Filing Date:
June 20, 2019
Export Citation:
Assignee:
Tamura Manufacturing Co., Ltd.
International Classes:
H01F1/24; B22F1/102; B22F1/142; B22F3/00; B22F3/24; H01F1/147; H01F27/255; H01F41/02
Domestic Patent References:
| JP201711271A | ||||
| JP201284803A | ||||
| JP2013168648A | ||||
| JP2015220244A |
Foreign References:
| WO2013140762A1 |
Attorney, Agent or Firm:
Mitsuharu Kiuchi
Koichi Okuma
Sadanori Katagiri
Kanako Kiuchi
Koichi Okuma
Sadanori Katagiri
Kanako Kiuchi