Title:
FERRITE POWDER, FERRITE RESIN COMPOSITE MATERIAL, AND ELECTROMAGNETIC SHIELDING MATERIAL, ELECTRONIC MATERIAL, OR ELECTRONIC COMPONENT
Document Type and Number:
WIPO Patent Application WO/2021/070871
Kind Code:
A1
Abstract:
Provided are: a ferrite powder whereby, when the ferrite powder is applied in a composite material, dropping out of ferrite particles is suppressed without moldability and filling ability being compromised; a ferrite resin composite material; and an electromagnetic shielding material, an electronic material, or an electronic component. This ferrite powder includes at least spherical or polyhedral ferrite particles in which a step structure is provided on surfaces thereof, the step structure having a polyhedral outline in the surfaces of the ferrite particles.
Inventors:
AGA KOJI (JP)
KOJIMA TAKASHI (JP)
SUGIURA TAKAO (JP)
TSUDUKI TADASHI (JP)
KONNO SATOMI (JP)
KUWAHARA SHO (JP)
KOJIMA TAKASHI (JP)
SUGIURA TAKAO (JP)
TSUDUKI TADASHI (JP)
KONNO SATOMI (JP)
KUWAHARA SHO (JP)
Application Number:
PCT/JP2020/038020
Publication Date:
April 15, 2021
Filing Date:
October 07, 2020
Export Citation:
Assignee:
POWDERTECH CO LTD (JP)
International Classes:
C01G49/00; C08K3/22; C08L101/00; H01F1/34; H01F1/36
Domestic Patent References:
| WO2017212997A1 | 2017-12-14 | |||
| WO2018061327A1 | 2018-04-05 |
Foreign References:
| JPH04154869A | 1992-05-27 | |||
| JP2011170272A | 2011-09-01 | |||
| JP2017072771A | 2017-04-13 | |||
| JP2016060682A | 2016-04-25 | |||
| JP2006160560A | 2006-06-22 | |||
| JPH04304700A | 1992-10-28 | |||
| JPS5921801B2 | 1984-05-22 |
Attorney, Agent or Firm:
SEKIGUCHI Masao (JP)
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