NL8502314A - Werkwijze voor de bereiding van microkristallijn bariumferrietpoeder. - Google Patents

Werkwijze voor de bereiding van microkristallijn bariumferrietpoeder. Download PDF

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Publication number
NL8502314A
NL8502314A NL8502314A NL8502314A NL8502314A NL 8502314 A NL8502314 A NL 8502314A NL 8502314 A NL8502314 A NL 8502314A NL 8502314 A NL8502314 A NL 8502314A NL 8502314 A NL8502314 A NL 8502314A
Authority
NL
Netherlands
Prior art keywords
barium
barium ferrite
weight
product
precursor
Prior art date
Application number
NL8502314A
Other languages
English (en)
Dutch (nl)
Original Assignee
Sakai Chemical Industry Co
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 filed Critical Sakai Chemical Industry Co
Publication of NL8502314A publication Critical patent/NL8502314A/nl

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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, besides iron, two or more other elements, with the exception of oxygen or hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/006—Compounds containing, besides cobalt, two or more other elements, with the exception of oxygen or hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
    • 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)
NL8502314A 1984-08-23 1985-08-22 Werkwijze voor de bereiding van microkristallijn bariumferrietpoeder. NL8502314A (nl)

Applications Claiming Priority (2)

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
JP17540284 1984-08-23

Publications (1)

Publication Number Publication Date
NL8502314A true NL8502314A (nl) 1986-03-17

Family

ID=15995462

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8502314A NL8502314A (nl) 1984-08-23 1985-08-22 Werkwijze voor de bereiding van microkristallijn bariumferrietpoeder.

Country Status (3)

Country Link
JP (1) JPS61168532A (ja)
DE (1) DE3529756A1 (ja)
NL (1) NL8502314A (ja)

Families Citing this family (18)

* 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
DE3729693A1 (de) * 1986-09-05 1988-05-05 Sony Corp Verfahren zur herstellung feiner bariumferritteilchen
US4828916A (en) * 1986-12-27 1989-05-09 Toda Kogyo Corporation Plate-like magnetoplumbite type ferrite particles for magnetic recording and magnetic recording media using the same
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
DE68925157T2 (de) * 1988-06-28 1996-09-05 Toda Kogyo Corp Plättchenförmige feine Ferritteilchen, geeignet zur Verwendung bei magnetischer Aufzeichnung und Verfahren zur Herstellung derselben
FR2638000B1 (fr) * 1988-10-18 1990-12-14 Kodak Pathe Carte a memoire magnetique a grande capacite et procede de fabrication
FR2639647B1 (fr) * 1988-10-18 1990-09-21 Kodak Pathe Milieu d'enregistrement magnetique
JPH02267122A (ja) * 1989-04-07 1990-10-31 Nippon Zeon Co Ltd 磁気記録媒体用磁性粉
EP0399665B1 (en) * 1989-04-28 1995-02-08 Ngk Insulators, Ltd. Method of manufacturing ferrite crystals and method of producing ferrite powders preferably used therefor
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820890B2 (ja) * 1974-03-01 1983-04-26 サカイカガクコウギヨウ カブシキガイシヤ フエライト粒子の製造法
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
EP0073441B1 (de) * 1981-08-25 1985-05-22 Georg Fischer Aktiengesellschaft Dauerform, insbesondere eine metallische Kokille

Also Published As

Publication number Publication date
DE3529756A1 (de) 1986-02-27
JPS61168532A (ja) 1986-07-30
JPH0261418B2 (ja) 1990-12-20

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