JPS6418923A - Manufacture of fine magnetic hexaferrite pigment - Google Patents

Manufacture of fine magnetic hexaferrite pigment

Info

Publication number
JPS6418923A
JPS6418923A JP63157006A JP15700688A JPS6418923A JP S6418923 A JPS6418923 A JP S6418923A JP 63157006 A JP63157006 A JP 63157006A JP 15700688 A JP15700688 A JP 15700688A JP S6418923 A JPS6418923 A JP S6418923A
Authority
JP
Japan
Prior art keywords
manufacture
fine magnetic
pigment
magnetic hexaferrite
hexaferrite pigment
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.)
Pending
Application number
JP63157006A
Other languages
English (en)
Inventor
Maizen Ururitsuhi
Bukusubaumu Guntaa
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of JPS6418923A publication Critical patent/JPS6418923A/ja
Pending 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
    • 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
    • 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
    • C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/653—Processes involving a melting step
    • 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
    • C01P2004/01—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
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP63157006A 1987-07-01 1988-06-27 Manufacture of fine magnetic hexaferrite pigment Pending JPS6418923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873721767 DE3721767A1 (de) 1987-07-01 1987-07-01 Verfahren zur herstellung feinteiliger bariumhexaferritpigmente aus halogenidschmelzen sowie die verwendung derartig hergestellter bariumhexaferritpigmente

Publications (1)

Publication Number Publication Date
JPS6418923A true JPS6418923A (en) 1989-01-23

Family

ID=6330702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63157006A Pending JPS6418923A (en) 1987-07-01 1988-06-27 Manufacture of fine magnetic hexaferrite pigment

Country Status (4)

Country Link
EP (1) EP0297392A3 (ja)
JP (1) JPS6418923A (ja)
KR (1) KR890002832A (ja)
DE (1) DE3721767A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006249411A (ja) * 2005-02-10 2006-09-21 Toda Kogyo Corp 赤外線反射用黒色顔料、該赤外線反射用顔料を用いた塗料及び樹脂組成物
JP2010080608A (ja) * 2008-09-25 2010-04-08 Fujifilm Corp 六方晶フェライト磁性粉末の製造方法ならびに磁気記録媒体およびその製造方法
CN111439995A (zh) * 2019-01-17 2020-07-24 四川京都龙泰科技有限公司 一种高性能无Co基六角永磁铁氧体材料及其制备方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907915A1 (de) * 1989-03-11 1990-09-13 Bayer Ag Feinteilige magnetische hexaferrite mit geringer temperaturabhaengigkeit der koerzitivkraft sowie deren verwendung
FR2660650B1 (fr) * 1990-04-09 1993-01-08 Centre Nat Rech Scient Procede de preparation de particules d'hexaferrites.
US5378384A (en) * 1991-09-19 1995-01-03 Minnesota Mining And Manufacturing Company Process of making hexagonal magnetic ferrite pigment for high density magnetic recording applications
US5616414A (en) * 1993-12-28 1997-04-01 Imation Corp. Hexagonal magnetic ferrite pigment for high density magnetic recording applications
CN102924069B (zh) * 2012-10-31 2014-02-05 安徽龙磁科技股份有限公司 一种六角晶m+w混合型烧结永磁铁氧体磁体及其制备方法
CN107935584A (zh) * 2017-12-12 2018-04-20 湖南先导电子陶瓷科技产业园发展有限公司 一种用于ltcc的微波介质陶瓷材料及其制备方法
CN112047731B (zh) * 2020-08-27 2022-09-16 南京国睿微波器件有限公司 一种准平面化微带环行器用六角铁氧体材料及其制备方法
CN113511687B (zh) * 2021-07-23 2022-10-21 桂林电子科技大学 一种吸波材料及其制备方法
CN114031389A (zh) * 2021-11-02 2022-02-11 横店集团东磁股份有限公司 一种三阶互调环形器用微波铁氧体材料及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2038681A5 (ja) * 1969-03-21 1971-01-08 Raffinage Cie Francaise
EP0072436B1 (de) * 1981-08-19 1986-10-01 BASF Aktiengesellschaft Verfahren zur Herstellung feinteiliger Ferritpulver
IT1199501B (it) * 1984-10-12 1988-12-30 Consiglio Nazionale Ricerche Metodo per la preparazione di polveri fini di ferriti esagonali in particolare per la registrazione magnetica
DE3537624A1 (de) * 1985-10-23 1987-04-23 Bayer Ag Feinteilige isometrische hexaferritpigmente, verfahren zu ihrer herstellung und deren verwendung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006249411A (ja) * 2005-02-10 2006-09-21 Toda Kogyo Corp 赤外線反射用黒色顔料、該赤外線反射用顔料を用いた塗料及び樹脂組成物
JP2010080608A (ja) * 2008-09-25 2010-04-08 Fujifilm Corp 六方晶フェライト磁性粉末の製造方法ならびに磁気記録媒体およびその製造方法
CN111439995A (zh) * 2019-01-17 2020-07-24 四川京都龙泰科技有限公司 一种高性能无Co基六角永磁铁氧体材料及其制备方法

Also Published As

Publication number Publication date
DE3721767A1 (de) 1989-01-12
EP0297392A2 (de) 1989-01-04
KR890002832A (ko) 1989-04-11
EP0297392A3 (de) 1990-08-08

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