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Patent Searching and Data


Title:
MnZn-BASED FERRITE
Document Type and Number:
WIPO Patent Application WO/2023/182133
Kind Code:
A1
Abstract:
The MnZn-based ferrite according to the present invention contains, as main components and as the oxide, 50 mol% to 53 mol% Fe2O3, 8 mol% to 10 mol% ZnO, and 37 mol% to 42 mol% MnO, and contains, as secondary components and as the oxide, 100 ppm to 300 ppm CaO, not more than 120 ppm SiO2, 100 ppm to 500 ppm Nb2O5, 0 ppm to 200 ppm ZrO2, 2000 ppm to 4000 ppm Co3O4, and 0 ppm to 1500 ppm SnO2.

Inventors:
KOUJIMA JUN (JP)
SHIN BUM GYUN (KR)
LEE JANG WOOK (KR)
Application Number:
PCT/JP2023/010259
Publication Date:
September 28, 2023
Filing Date:
March 16, 2023
Export Citation:
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Assignee:
TODA KOGYO CORP (JP)
TODA ISU CORP (KR)
International Classes:
C04B35/38; H01F1/34
Domestic Patent References:
WO2018189967A12018-10-18
Foreign References:
JP2012116700A2012-06-21
JP2007311387A2007-11-29
JP2000286119A2000-10-13
JP2013107811A2013-06-06
JP2002231520A2002-08-16
JP2022156991A2022-10-14
Attorney, Agent or Firm:
ISEKI Katsumori et al. (JP)
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