DE1061760C2 - - Google Patents

Info

Publication number
DE1061760C2
DE1061760C2 DE1957F0025382 DEF0025382A DE1061760C2 DE 1061760 C2 DE1061760 C2 DE 1061760C2 DE 1957F0025382 DE1957F0025382 DE 1957F0025382 DE F0025382 A DEF0025382 A DE F0025382A DE 1061760 C2 DE1061760 C2 DE 1061760C2
Authority
DE
Germany
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
Application number
DE1957F0025382
Other versions
DE1061760B (de
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 DEF25382A priority Critical patent/DE1061760B/de
Publication of DE1061760B publication Critical patent/DE1061760B/de
Application granted granted Critical
Publication of DE1061760C2 publication Critical patent/DE1061760C2/de
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
    • G11B5/706—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
    • G11B5/70652—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 gamma - Fe2 O3
    • 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
    • C01G49/06—Ferric oxide [Fe2O3]
    • 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
    • G11B5/70647—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 with a skin
    • 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
    • C01P2004/40—Particle morphology extending in three dimensions prism-like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
DEF25382A 1957-05-28 1957-05-28 Verfahren zur Herstellung von ferromagnetischem gamma-Fe O Granted DE1061760B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF25382A DE1061760B (de) 1957-05-28 1957-05-28 Verfahren zur Herstellung von ferromagnetischem gamma-Fe O

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF25382A DE1061760B (de) 1957-05-28 1957-05-28 Verfahren zur Herstellung von ferromagnetischem gamma-Fe O

Publications (2)

Publication Number Publication Date
DE1061760B DE1061760B (de) 1959-07-23
DE1061760C2 true DE1061760C2 (de) 1959-12-31

Family

ID=7091610

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF25382A Granted DE1061760B (de) 1957-05-28 1957-05-28 Verfahren zur Herstellung von ferromagnetischem gamma-Fe O

Country Status (1)

Country Link
DE (1) DE1061760B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0045028A3 (en) * 1980-07-29 1983-09-07 Bayer Ag Process for the preparation of magnetic iron oxides
EP0137187A1 (de) * 1983-08-17 1985-04-17 BASF Aktiengesellschaft Verfahren zur Herstellung von 5- bis 7-gliedrigen cyclischen Iminen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805621A1 (de) * 1978-02-10 1979-08-23 Basf Ag Verfahren zur herstellung von nadelfoermigen, ferrimagnetischen eisenoxiden
DE3019764A1 (de) * 1980-05-23 1981-12-03 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von synthetischem lepidokrokit
DE3231193A1 (de) * 1982-08-21 1984-02-23 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von primaeren aminen
JP2582764B2 (ja) * 1986-02-05 1997-02-19 バスフ アクチェン ゲゼルシャフト 本質的に鉄から成る針状強磁性金属粉末の製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0045028A3 (en) * 1980-07-29 1983-09-07 Bayer Ag Process for the preparation of magnetic iron oxides
EP0137187A1 (de) * 1983-08-17 1985-04-17 BASF Aktiengesellschaft Verfahren zur Herstellung von 5- bis 7-gliedrigen cyclischen Iminen

Also Published As

Publication number Publication date
DE1061760B (de) 1959-07-23

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