DE3529756A1 - Verfahren zur herstellung eines mikrokristallinen hexagonalen bariumferrit-pulvers - Google Patents

Verfahren zur herstellung eines mikrokristallinen hexagonalen bariumferrit-pulvers

Info

Publication number
DE3529756A1
DE3529756A1 DE19853529756 DE3529756A DE3529756A1 DE 3529756 A1 DE3529756 A1 DE 3529756A1 DE 19853529756 DE19853529756 DE 19853529756 DE 3529756 A DE3529756 A DE 3529756A DE 3529756 A1 DE3529756 A1 DE 3529756A1
Authority
DE
Germany
Prior art keywords
barium
barium ferrite
precursor
ions
parts
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.)
Withdrawn
Application number
DE19853529756
Other languages
German (de)
English (en)
Inventor
Tsutomu Hatanaka
Susumu Iwasaki
Seiji Sakai Osaka Matsumoto
Iwao Yamazaki
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.)
Sakai Chemical Industry Co Ltd
Original Assignee
Sakai Chemical Industry Co Ltd
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 Sakai Chemical Industry Co Ltd filed Critical Sakai Chemical Industry Co Ltd
Publication of DE3529756A1 publication Critical patent/DE3529756A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • 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
    • C01G49/0063—Mixed oxides or hydroxides containing zinc
    • 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
    • C01G49/0072—Mixed oxides or hydroxides containing manganese
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/009—Compounds containing iron, with or without oxygen or hydrogen, and containing two or more other elements
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/80—Compounds containing cobalt, with or without oxygen or hydrogen, and containing one or more other elements
    • C01G51/82—Compounds containing cobalt, with or without oxygen or hydrogen, and containing two or more other elements
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/80—Compounds containing nickel, with or without oxygen or hydrogen, and containing one or more other elements
    • C01G53/82—Compounds containing nickel, with or without oxygen or hydrogen, and containing two or more other elements
    • 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
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • C01P2004/22—Particle morphology extending in two dimensions, e.g. plate-like with a polygonal circumferential shape
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
DE19853529756 1984-08-23 1985-08-20 Verfahren zur herstellung eines mikrokristallinen hexagonalen bariumferrit-pulvers Withdrawn DE3529756A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59175402A JPS61168532A (ja) 1984-08-23 1984-08-23 磁気記録用バリウムフェライト微結晶の製造方法

Publications (1)

Publication Number Publication Date
DE3529756A1 true DE3529756A1 (de) 1986-02-27

Family

ID=15995462

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853529756 Withdrawn DE3529756A1 (de) 1984-08-23 1985-08-20 Verfahren zur herstellung eines mikrokristallinen hexagonalen bariumferrit-pulvers

Country Status (3)

Country Link
JP (1) JPS61168532A (cg-RX-API-DMAC10.html)
DE (1) DE3529756A1 (cg-RX-API-DMAC10.html)
NL (1) NL8502314A (cg-RX-API-DMAC10.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729693A1 (de) * 1986-09-05 1988-05-05 Sony Corp Verfahren zur herstellung feiner bariumferritteilchen
EP0273748A3 (en) * 1986-12-27 1989-07-26 Toda Kogyo Corp. Plate-like magnetoplumbite type ferrite particles for magnetic recording and magnetic recording media using the same
FR2638000A1 (fr) * 1988-10-18 1990-04-20 Kodak Pathe Carte a memoire magnetique a grande capacite et procede de fabrication
WO1990004842A1 (fr) * 1988-10-18 1990-05-03 Kodak-Pathe Milieu d'enregistrement magnetique
EP0349287A3 (en) * 1988-06-28 1990-11-07 Toda Kogyo Corp. Plate-like composite ferrite fine particles suitable for use in magnetic recording and process for producing the same
EP0399665A1 (en) * 1989-04-28 1990-11-28 Ngk Insulators, Ltd. Method of manufacturing ferrite crystals and method of producing ferrite powders preferably used therefor

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08702B2 (ja) * 1985-04-04 1996-01-10 石原産業株式会社 磁気記録用強磁性微粉末の製造方法
JPH0674146B2 (ja) * 1985-09-03 1994-09-21 宇部興産株式会社 バリウムフエライト粉末の製法
JPS6260209A (ja) * 1985-09-10 1987-03-16 Sony Corp 六方晶系フエライト磁性粉末の製造方法
JPS63170220A (ja) * 1987-01-09 1988-07-14 Ube Ind Ltd バリウムフエライト磁性粉およびその製造方法
JPS63170221A (ja) * 1987-01-09 1988-07-14 Ube Ind Ltd バリウムフエライト磁性粉およびその製造方法
JPS63225533A (ja) * 1987-03-13 1988-09-20 Ube Ind Ltd バリウムフエライト粉末の製造方法
JPH02267122A (ja) * 1989-04-07 1990-10-31 Nippon Zeon Co Ltd 磁気記録媒体用磁性粉
JPH02296303A (ja) * 1989-05-11 1990-12-06 Nippon Zeon Co Ltd 磁気記録媒体用磁性粉
US5055322A (en) * 1989-11-02 1991-10-08 Nippon Zeon Co., Ltd. Method of producing magnetic recording media
JP5390756B2 (ja) * 2007-08-02 2014-01-15 関東電化工業株式会社 薄片状Baフェライト微粒子の製造方法
JP5754091B2 (ja) * 2010-06-30 2015-07-22 戸田工業株式会社 六方晶フェライト粒子粉末の製造法、及び磁気記録媒体の製造法
CN104671764B (zh) * 2015-01-29 2017-03-29 浙江大学 一种铌掺杂钡铁氧体吸波粉体材料及制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116752A (en) * 1974-03-01 1978-09-26 Sakai Chemical Industry Co., Ltd. Production of single crystalline ferrite particles
US4414124A (en) * 1980-05-08 1983-11-08 Tokyo Shibaura Denki Kabushiki Kaisha Method of producing barium-ferrite series powder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0073441B1 (de) * 1981-08-25 1985-05-22 Georg Fischer Aktiengesellschaft Dauerform, insbesondere eine metallische Kokille

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116752A (en) * 1974-03-01 1978-09-26 Sakai Chemical Industry Co., Ltd. Production of single crystalline ferrite particles
US4414124A (en) * 1980-05-08 1983-11-08 Tokyo Shibaura Denki Kabushiki Kaisha Method of producing barium-ferrite series powder

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729693A1 (de) * 1986-09-05 1988-05-05 Sony Corp Verfahren zur herstellung feiner bariumferritteilchen
EP0273748A3 (en) * 1986-12-27 1989-07-26 Toda Kogyo Corp. Plate-like magnetoplumbite type ferrite particles for magnetic recording and magnetic recording media using the same
EP0349287A3 (en) * 1988-06-28 1990-11-07 Toda Kogyo Corp. Plate-like composite ferrite fine particles suitable for use in magnetic recording and process for producing the same
FR2638000A1 (fr) * 1988-10-18 1990-04-20 Kodak Pathe Carte a memoire magnetique a grande capacite et procede de fabrication
EP0366570A1 (fr) * 1988-10-18 1990-05-02 Gemplus S.C.A. Carte à mémoire magnétique à grande capacité et procédé de fabrication
WO1990004842A1 (fr) * 1988-10-18 1990-05-03 Kodak-Pathe Milieu d'enregistrement magnetique
WO1990004843A1 (fr) * 1988-10-18 1990-05-03 Kodak-Pathe Carte a memoire magnetique a grande capacite et procede de fabrication
EP0365448A3 (en) * 1988-10-18 1990-05-09 Kodak-Pathe Magnetic recording medium
FR2639647A1 (fr) * 1988-10-18 1990-06-01 Kodak Pathe Milieu d'enregistrement magnetique
US5395672A (en) * 1988-10-18 1995-03-07 Kiota Large-capacity magnetic memory card and manufacturing method
EP0399665A1 (en) * 1989-04-28 1990-11-28 Ngk Insulators, Ltd. Method of manufacturing ferrite crystals and method of producing ferrite powders preferably used therefor
US5256242A (en) * 1989-04-28 1993-10-26 Ngk Insulators, Ltd. Method of manufacturing ferrite crystals

Also Published As

Publication number Publication date
NL8502314A (nl) 1986-03-17
JPH0261418B2 (cg-RX-API-DMAC10.html) 1990-12-20
JPS61168532A (ja) 1986-07-30

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8130 Withdrawal