DE69223860T2 - Magnetischer Aufzeichnungsträger - Google Patents

Magnetischer Aufzeichnungsträger

Info

Publication number
DE69223860T2
DE69223860T2 DE1992623860 DE69223860T DE69223860T2 DE 69223860 T2 DE69223860 T2 DE 69223860T2 DE 1992623860 DE1992623860 DE 1992623860 DE 69223860 T DE69223860 T DE 69223860T DE 69223860 T2 DE69223860 T2 DE 69223860T2
Authority
DE
Germany
Prior art keywords
record carrier
magnetic record
magnetic
carrier
record
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 - Fee Related
Application number
DE1992623860
Other languages
English (en)
Other versions
DE69223860D1 (de
Inventor
Minoru Hashimoto
Tatsumi Maeda
Masahiro Fukasawa
Kazutaka Akiyama
Tsutomu Tanaka
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE69223860D1 publication Critical patent/DE69223860D1/de
Application granted granted Critical
Publication of DE69223860T2 publication Critical patent/DE69223860T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/70678—Ferrites
DE1992623860 1991-06-28 1992-06-26 Magnetischer Aufzeichnungsträger Expired - Fee Related DE69223860T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15801491 1991-06-28
JP4062797A JPH0573893A (ja) 1991-06-28 1992-03-19 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE69223860D1 DE69223860D1 (de) 1998-02-12
DE69223860T2 true DE69223860T2 (de) 1998-05-28

Family

ID=26403854

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992623860 Expired - Fee Related DE69223860T2 (de) 1991-06-28 1992-06-26 Magnetischer Aufzeichnungsträger

Country Status (3)

Country Link
EP (1) EP0520810B1 (de)
JP (1) JPH0573893A (de)
DE (1) DE69223860T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004334946A (ja) * 2003-05-02 2004-11-25 Fuji Photo Film Co Ltd 磁気記録媒体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3537623A1 (de) * 1985-10-23 1987-04-23 Bayer Ag Feinteilige isometrische hexaferritpigmente mit w-struktur, verfahren zu ihrer herstellung und deren verwendung

Also Published As

Publication number Publication date
DE69223860D1 (de) 1998-02-12
EP0520810A1 (de) 1992-12-30
EP0520810B1 (de) 1998-01-07
JPH0573893A (ja) 1993-03-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee