JPH0430162B2 - - Google Patents

Info

Publication number
JPH0430162B2
JPH0430162B2 JP58034191A JP3419183A JPH0430162B2 JP H0430162 B2 JPH0430162 B2 JP H0430162B2 JP 58034191 A JP58034191 A JP 58034191A JP 3419183 A JP3419183 A JP 3419183A JP H0430162 B2 JPH0430162 B2 JP H0430162B2
Authority
JP
Japan
Prior art keywords
cobalt
iron oxide
magnetic iron
oxide powder
compound
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
JP58034191A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59159502A (ja
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 filed Critical
Priority to JP58034191A priority Critical patent/JPS59159502A/ja
Publication of JPS59159502A publication Critical patent/JPS59159502A/ja
Publication of JPH0430162B2 publication Critical patent/JPH0430162B2/ja
Granted 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
    • G11B5/712—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 surface treatment or coating of magnetic particles

Landscapes

  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP58034191A 1983-03-02 1983-03-02 コバルト含有磁性酸化鉄粉末の製造方法 Granted JPS59159502A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58034191A JPS59159502A (ja) 1983-03-02 1983-03-02 コバルト含有磁性酸化鉄粉末の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58034191A JPS59159502A (ja) 1983-03-02 1983-03-02 コバルト含有磁性酸化鉄粉末の製造方法

Publications (2)

Publication Number Publication Date
JPS59159502A JPS59159502A (ja) 1984-09-10
JPH0430162B2 true JPH0430162B2 (enrdf_load_stackoverflow) 1992-05-21

Family

ID=12407284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58034191A Granted JPS59159502A (ja) 1983-03-02 1983-03-02 コバルト含有磁性酸化鉄粉末の製造方法

Country Status (1)

Country Link
JP (1) JPS59159502A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0755832B2 (ja) * 1988-09-19 1995-06-14 石原産業株式会社 コバルト含有強磁性酸化鉄粉末の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106895A (en) * 1978-02-08 1979-08-22 Fuji Photo Film Co Ltd Ferromagnetic powder
DE2916403A1 (de) * 1979-04-23 1980-11-06 Basf Ag Nadelfoermiges magnetisches eisenoxid und verfahren zu seiner herstellung
JPS5819733A (ja) * 1981-07-28 1983-02-04 Toshiba Corp 磁気記録媒体及びその製造方法

Also Published As

Publication number Publication date
JPS59159502A (ja) 1984-09-10

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