KR102281215B1 - 페라이트 가소체, 페라이트 소결 자석 및 그 제조 방법 - Google Patents

페라이트 가소체, 페라이트 소결 자석 및 그 제조 방법 Download PDF

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Publication number
KR102281215B1
KR102281215B1 KR1020207011924A KR20207011924A KR102281215B1 KR 102281215 B1 KR102281215 B1 KR 102281215B1 KR 1020207011924 A KR1020207011924 A KR 1020207011924A KR 20207011924 A KR20207011924 A KR 20207011924A KR 102281215 B1 KR102281215 B1 KR 102281215B1
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KR
South Korea
Prior art keywords
sintered magnet
ferrite
powder
ferrite sintered
mass
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Application number
KR1020207011924A
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English (en)
Korean (ko)
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KR20200062262A (ko
Inventor
야스아키 다니오쿠
요시노리 고바야시
Original Assignee
히타치 긴조쿠 가부시키가이샤
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Publication of KR20200062262A publication Critical patent/KR20200062262A/ko
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Publication of KR102281215B1 publication Critical patent/KR102281215B1/ko

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Compounds Of Iron (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
KR1020207011924A 2018-03-20 2018-11-07 페라이트 가소체, 페라이트 소결 자석 및 그 제조 방법 KR102281215B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2018-052107 2018-03-20
JP2018052107 2018-03-20
PCT/JP2018/041308 WO2019181056A1 (ja) 2018-03-20 2018-11-07 フェライト仮焼体、フェライト焼結磁石及びその製造方法

Publications (2)

Publication Number Publication Date
KR20200062262A KR20200062262A (ko) 2020-06-03
KR102281215B1 true KR102281215B1 (ko) 2021-07-22

Family

ID=67987018

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020207011924A KR102281215B1 (ko) 2018-03-20 2018-11-07 페라이트 가소체, 페라이트 소결 자석 및 그 제조 방법

Country Status (4)

Country Link
JP (1) JP7111150B2 (ja)
KR (1) KR102281215B1 (ja)
CN (2) CN111466000B (ja)
WO (1) WO2019181056A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7287371B2 (ja) * 2020-09-24 2023-06-06 株式会社プロテリアル フェライト仮焼体、フェライト焼結磁石及びその製造方法
JP7238917B2 (ja) * 2021-03-19 2023-03-14 株式会社プロテリアル フェライト仮焼体粉末及びフェライト焼結磁石の製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018030751A (ja) * 2016-08-24 2018-03-01 日立金属株式会社 フェライト化合物

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3262109B2 (ja) * 1999-08-31 2002-03-04 住友特殊金属株式会社 磁石粉末およびその製造方法
JP4254897B2 (ja) * 2005-12-28 2009-04-15 日立金属株式会社 酸化物磁性材料
JP4640432B2 (ja) 2008-03-31 2011-03-02 Ｔｄｋ株式会社 フェライト焼結磁石
JP5521287B2 (ja) * 2008-06-18 2014-06-11 日立金属株式会社 磁気記録媒体用フェライト粒子
JP6860285B2 (ja) * 2015-09-28 2021-04-14 日立金属株式会社 Ｃａ−Ｌａ−Ｃｏ系フェライト焼結磁石の製造方法及びＣａ−Ｌａ−Ｃｏ系フェライト焼結磁石
KR102277414B1 (ko) * 2015-10-16 2021-07-14 유니온머티리얼 주식회사 페라이트 자성재료 및 페라이트 소결자석

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018030751A (ja) * 2016-08-24 2018-03-01 日立金属株式会社 フェライト化合物

Also Published As

Publication number Publication date
CN111466000A (zh) 2020-07-28
JP7111150B2 (ja) 2022-08-02
CN111466000B (zh) 2023-05-09
CN115732151A (zh) 2023-03-03
WO2019181056A1 (ja) 2019-09-26
JPWO2019181056A1 (ja) 2021-04-08
KR20200062262A (ko) 2020-06-03

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