JPS5529497B2 - - Google Patents

Info

Publication number
JPS5529497B2
JPS5529497B2 JP461673A JP461673A JPS5529497B2 JP S5529497 B2 JPS5529497 B2 JP S5529497B2 JP 461673 A JP461673 A JP 461673A JP 461673 A JP461673 A JP 461673A JP S5529497 B2 JPS5529497 B2 JP S5529497B2
Authority
JP
Japan
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
JP461673A
Other languages
Japanese (ja)
Other versions
JPS4991604A (en
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 JP461673A priority Critical patent/JPS5529497B2/ja
Priority to DE19742400162 priority patent/DE2400162A1/en
Priority to GB71774A priority patent/GB1453124A/en
Publication of JPS4991604A publication Critical patent/JPS4991604A/ja
Publication of JPS5529497B2 publication Critical patent/JPS5529497B2/ja
Expired 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
    • G11B5/702—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 bonding agent
    • G11B5/7021—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 bonding agent containing a polyurethane or a polyisocyanate
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7023—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 bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
    • 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
    • G11B5/716—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 two or more magnetic layers
JP461673A 1973-01-05 1973-01-05 Expired JPS5529497B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP461673A JPS5529497B2 (en) 1973-01-05 1973-01-05
DE19742400162 DE2400162A1 (en) 1973-01-05 1974-01-03 MAGNETIC RECORDING MATERIAL
GB71774A GB1453124A (en) 1973-01-05 1974-01-07 Magnetic recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP461673A JPS5529497B2 (en) 1973-01-05 1973-01-05

Publications (2)

Publication Number Publication Date
JPS4991604A JPS4991604A (en) 1974-09-02
JPS5529497B2 true JPS5529497B2 (en) 1980-08-04

Family

ID=11588978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP461673A Expired JPS5529497B2 (en) 1973-01-05 1973-01-05

Country Status (3)

Country Link
JP (1) JPS5529497B2 (en)
DE (1) DE2400162A1 (en)
GB (1) GB1453124A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364988A (en) * 1978-07-31 1982-12-21 Hitachi Maxell, Ltd. Magnetic recording medium

Also Published As

Publication number Publication date
JPS4991604A (en) 1974-09-02
DE2400162A1 (en) 1974-07-11
GB1453124A (en) 1976-10-20

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