TWI267096B - Process for producing oxide magnetic material based permanent magnet - Google Patents

Process for producing oxide magnetic material based permanent magnet

Info

Publication number
TWI267096B
TWI267096B TW092136741A TW92136741A TWI267096B TW I267096 B TWI267096 B TW I267096B TW 092136741 A TW092136741 A TW 092136741A TW 92136741 A TW92136741 A TW 92136741A TW I267096 B TWI267096 B TW I267096B
Authority
TW
Taiwan
Prior art keywords
binder
magnetic material
oxide magnetic
molding
permanent magnet
Prior art date
Application number
TW092136741A
Other languages
English (en)
Other versions
TW200421359A (en
Inventor
Taeko Tsubokura
Tsuneo Suzuki
Taku Murase
Original Assignee
Tdk Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tdk Corp filed Critical Tdk Corp
Publication of TW200421359A publication Critical patent/TW200421359A/zh
Application granted granted Critical
Publication of TWI267096B publication Critical patent/TWI267096B/zh

Links

Classifications

    • 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
    • H01F41/0253—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 for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
TW092136741A 2003-03-04 2003-12-24 Process for producing oxide magnetic material based permanent magnet TWI267096B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003056893A JP2004266196A (ja) 2003-03-04 2003-03-04 酸化物磁性材料系永久磁石の製造方法

Publications (2)

Publication Number Publication Date
TW200421359A TW200421359A (en) 2004-10-16
TWI267096B true TWI267096B (en) 2006-11-21

Family

ID=32958724

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092136741A TWI267096B (en) 2003-03-04 2003-12-24 Process for producing oxide magnetic material based permanent magnet

Country Status (5)

Country Link
JP (1) JP2004266196A (zh)
KR (1) KR100656962B1 (zh)
CN (1) CN100538923C (zh)
TW (1) TWI267096B (zh)
WO (1) WO2004079756A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105384433B (zh) * 2015-10-27 2017-08-01 横店集团东磁股份有限公司 一种永磁铁氧体的制造方法
CN109081690A (zh) * 2018-08-15 2018-12-25 横店集团东磁股份有限公司 一种大高度高表磁干压二极径向异性磁环的制备方法
CN110715836A (zh) * 2019-10-09 2020-01-21 国合通用测试评价认证股份公司 一种用于磁性材料检测样品的制备方法
TWI728913B (zh) * 2020-09-09 2021-05-21 中國鋼鐵股份有限公司 改質鐵氧體磁粉的製造方法及改質鐵氧體磁石的製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0497957A (ja) * 1990-08-10 1992-03-30 Daido Steel Co Ltd 粉末成形体の脱バインダー方法
JPH04137704A (ja) * 1990-09-28 1992-05-12 Tokin Corp 酸化物磁性体の製造方法
JPH05247297A (ja) * 1992-03-05 1993-09-24 Mizusawa Ind Chem Ltd 塩素含有樹脂組成物
JPH0794312A (ja) * 1993-04-28 1995-04-07 Kawasaki Steel Corp フェライト磁石の製造方法

Also Published As

Publication number Publication date
JP2004266196A (ja) 2004-09-24
CN100538923C (zh) 2009-09-09
WO2004079756A1 (ja) 2004-09-16
CN1757078A (zh) 2006-04-05
TW200421359A (en) 2004-10-16
KR100656962B1 (ko) 2006-12-13
KR20050095764A (ko) 2005-09-30

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees