DE60016760D1 - Verfahren zur herstellung von pulvern oder kuchen aus hexaferrit des type m - Google Patents

Verfahren zur herstellung von pulvern oder kuchen aus hexaferrit des type m

Info

Publication number
DE60016760D1
DE60016760D1 DE60016760T DE60016760T DE60016760D1 DE 60016760 D1 DE60016760 D1 DE 60016760D1 DE 60016760 T DE60016760 T DE 60016760T DE 60016760 T DE60016760 T DE 60016760T DE 60016760 D1 DE60016760 D1 DE 60016760D1
Authority
DE
Germany
Prior art keywords
hexaferrite
cake
type
producing powder
powder
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60016760T
Other languages
English (en)
Inventor
Antoine Morel
Eric Brando
Philippe Tenaud
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ugimag SA
Original Assignee
Ugimag SA
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
Priority claimed from FR9908886A external-priority patent/FR2785280A1/fr
Application filed by Ugimag SA filed Critical Ugimag SA
Application granted granted Critical
Publication of DE60016760D1 publication Critical patent/DE60016760D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
    • G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
    • G11B5/70678—Ferrites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE60016760T 1999-07-05 2000-07-03 Verfahren zur herstellung von pulvern oder kuchen aus hexaferrit des type m Expired - Lifetime DE60016760D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9908886A FR2785280A1 (fr) 1999-07-05 1999-07-05 Procede de fabrication de poudres ou biscuits d'hexaferrites de type m
FR9910295A FR2785281B1 (fr) 1999-07-05 1999-08-04 Procede de fabrication de poudres ou biscuits d'hexaferrites de type m
PCT/FR2000/001880 WO2001002300A1 (fr) 1999-07-05 2000-07-03 Procede de fabrication de poudres ou biscuits d'hexaferrites de type m

Publications (1)

Publication Number Publication Date
DE60016760D1 true DE60016760D1 (de) 2005-01-20

Family

ID=26235027

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60016760T Expired - Lifetime DE60016760D1 (de) 1999-07-05 2000-07-03 Verfahren zur herstellung von pulvern oder kuchen aus hexaferrit des type m

Country Status (12)

Country Link
US (1) US6761830B1 (de)
EP (1) EP1202933B1 (de)
JP (1) JP2003506296A (de)
KR (1) KR20020026346A (de)
CN (1) CN1364145A (de)
AR (1) AR024648A1 (de)
AU (1) AU5994000A (de)
BR (1) BR0012155A (de)
DE (1) DE60016760D1 (de)
FR (1) FR2785281B1 (de)
MX (1) MXPA01013225A (de)
WO (1) WO2001002300A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824178B1 (fr) * 2001-04-25 2003-05-30 Ugimag Sa Procede de fabrication d'aimants du type ferrite
FR2831317B1 (fr) * 2001-10-19 2004-10-15 Ugimag Sa Aimants de type ferrite economiques et a proprietes ameliorees
JP2004296514A (ja) * 2003-03-25 2004-10-21 Minebea Co Ltd フェライト磁石およびその製造方法
JP2004296513A (ja) * 2003-03-25 2004-10-21 Minebea Co Ltd フェライト磁石およびその製造方法
CN101055796B (zh) * 2006-04-16 2010-12-29 张连墩 M型锶铁氧体磁性材料的制备方法
CN102515736B (zh) * 2011-12-09 2013-06-05 东阳市金砖磁业有限公司 一种无稀土置换的高内禀高磁能积永磁锶铁氧体材料的制备方法
RU2614171C1 (ru) * 2015-12-29 2017-03-23 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" Способ измельчения смеси карбоната стронция и оксида железа в производстве гексаферритов стронция
CN106316380B (zh) * 2016-08-19 2021-11-30 苏州大学 一种具有室温宽频大磁电容效应的铁氧体材料及其制备方法
WO2023212293A1 (en) 2022-04-29 2023-11-02 Broadwing Bio Llc Complement factor h related 4-specific antibodies and uses thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509057A (en) * 1964-03-10 1970-04-28 Herbert Hans Greger Method for thermal synthesis of polyoxide compounds
US3766642A (en) * 1971-09-27 1973-10-23 Shell Oil Co Process for preparing a ductile metal ferrite
JPS6012973B2 (ja) * 1980-05-08 1985-04-04 株式会社東芝 Ｂａ−フエライト粉末の製造方法
DE4330197A1 (de) * 1993-09-07 1995-03-09 Welte Mahltechnik Gmbh Verfahren zur Herstellung von Dauermagneten

Also Published As

Publication number Publication date
BR0012155A (pt) 2002-04-02
US6761830B1 (en) 2004-07-13
AU5994000A (en) 2001-01-22
FR2785281A1 (fr) 2000-05-05
KR20020026346A (ko) 2002-04-09
WO2001002300A1 (fr) 2001-01-11
CN1364145A (zh) 2002-08-14
MXPA01013225A (es) 2003-08-20
FR2785281B1 (fr) 2001-04-27
JP2003506296A (ja) 2003-02-18
AR024648A1 (es) 2002-10-23
EP1202933B1 (de) 2004-12-15
EP1202933A1 (de) 2002-05-08

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Legal Events

Date Code Title Description
8332 No legal effect for de