BE516598A - - Google Patents

Info

Publication number
BE516598A
BE516598A BE516598DA BE516598A BE 516598 A BE516598 A BE 516598A BE 516598D A BE516598D A BE 516598DA BE 516598 A BE516598 A BE 516598A
Authority
BE
Belgium
Prior art keywords
crystals
strontium
barium
lead
fine
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE516598A publication Critical patent/BE516598A/fr

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

Landscapes

  • Hard Magnetic Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
BE516598D BE516598A (de)

Publications (1)

Publication Number Publication Date
BE516598A true BE516598A (de)

Family

ID=153739

Family Applications (1)

Application Number Title Priority Date Filing Date
BE516598D BE516598A (de)

Country Status (1)

Country Link
BE (1) BE516598A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960470A (en) * 1954-12-21 1960-11-15 Philips Corp Method of manufacturing permanent magnets
EP0078539A3 (en) * 1981-11-02 1985-09-11 Fuji Photo Film Co., Ltd. Method for preparing a magnetic recording medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960470A (en) * 1954-12-21 1960-11-15 Philips Corp Method of manufacturing permanent magnets
EP0078539A3 (en) * 1981-11-02 1985-09-11 Fuji Photo Film Co., Ltd. Method for preparing a magnetic recording medium

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