Title:
RARE EARTH SOFT MAGNETIC POWDER AND PREPARATION METHOD THEREFOR, AND SOFT MAGNETIC COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/087621
Kind Code:
A1
Abstract:
Disclosed herein are rare earth soft magnetic powder and a preparation method therefor, and a soft magnetic composite material and a preparation method therefor. The rare earth soft magnetic powder comprises Ce2Fe17-x-yNixTyNz, wherein T comprises any one or a combination of at least two of Si, C or B; x, y and z are respectively the atomic contents of Ni, T and N; x is 0.1-0.5, y is 0.1-0.5, and z is 2-4; the rare earth soft magnetic powder and a binder are mixed to prepare the soft magnetic composite material, and the soft magnetic composite material can be used for electronic devices under a high-frequency working condition.
Inventors:
LI YUPING (CN)
ZHANG YUNYI (CN)
SUN YONGYANG (CN)
JIANG YUNTAO (CN)
GUO CHANGZHENG (CN)
ZHANG YUNYI (CN)
SUN YONGYANG (CN)
JIANG YUNTAO (CN)
GUO CHANGZHENG (CN)
Application Number:
PCT/CN2023/097141
Publication Date:
May 02, 2024
Filing Date:
May 30, 2023
Export Citation:
Assignee:
HENGDIAN GROUP DMEGC MAGNETICS CO LTD (CN)
International Classes:
H01F1/153; H01F1/147; H01F41/02
Foreign References:
| CN115497704A | 2022-12-20 | |||
| CN112735721A | 2021-04-30 | |||
| CN111540558A | 2020-08-14 | |||
| CN110551941A | 2019-12-10 | |||
| CN104036905A | 2014-09-10 | |||
| CN108777931A | 2018-11-09 | |||
| CN111575598A | 2020-08-25 | |||
| JP2018056337A | 2018-04-05 | |||
| CN114974786A | 2022-08-30 | |||
| CN114023522A | 2022-02-08 | |||
| CN113724958A | 2021-11-30 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
Download PDF: