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Title:
SOFT MAGNETIC POWDER, PREPARATION METHOD THEREFOR, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/121208
Kind Code:
A1
Abstract:
Soft magnetic powder, a preparation method therefor, and a use thereof. The preparation method comprises: (1) respectively independently performing surface silane coupling and silicon nitriding treatment on first magnetic powder, second magnetic powder, and third magnetic powder to obtain first magnetic powder, second magnetic powder, and third magnetic powder of which the surfaces are coated with compound films of -Si-N- chemical bonds; and (2) mixing the first magnetic powder, the second magnetic powder, and the third magnetic powder of which the surfaces are coated with the compound films of the -Si-N- chemical bonds, so as to obtain the soft magnetic powder.

Inventors:
JIN ZHIHONG (CN)
HAN XIANGHUA (CN)
HU JIANGPING (CN)
XU JUN (CN)
Application Number:
PCT/CN2021/088596
Publication Date:
June 16, 2022
Filing Date:
April 21, 2021
Export Citation:
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Assignee:
HENGDIAN GROUP DMEGC MAGNETICS CO LTD (CN)
International Classes:
H01F1/147; H01F41/02
Foreign References:
CN112635147A2021-04-09
CN106229104A2016-12-14
CN1787127A2006-06-14
CN104036899A2014-09-10
CN1805086A2006-07-19
JP2013171967A2013-09-02
CN103415899A2013-11-27
JP2009120915A2009-06-04
JP2010251437A2010-11-04
US20080117008A12008-05-22
CN102543350A2012-07-04
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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