JPS5526528B1 - - Google Patents

Info

Publication number
JPS5526528B1
JPS5526528B1 JP8106868A JP8106868A JPS5526528B1 JP S5526528 B1 JPS5526528 B1 JP S5526528B1 JP 8106868 A JP8106868 A JP 8106868A JP 8106868 A JP8106868 A JP 8106868A JP S5526528 B1 JPS5526528 B1 JP S5526528B1
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.)
Pending
Application number
JP8106868A
Other languages
Japanese (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 JP8106868A priority Critical patent/JPS5526528B1/ja
Priority to GB1232337D priority patent/GB1232337A/en
Priority to DE19691955699 priority patent/DE1955699C3/de
Publication of JPS5526528B1 publication Critical patent/JPS5526528B1/ja
Pending 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
    • G11B5/70636—CrO2
    • 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
    • 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
    • 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
    • G11B5/70668—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 containing a dopant
    • G11B5/70673—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 containing a dopant containing Co

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP8106868A 1968-11-06 1968-11-06 Pending JPS5526528B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8106868A JPS5526528B1 (it) 1968-11-06 1968-11-06
GB1232337D GB1232337A (it) 1968-11-06 1969-11-03
DE19691955699 DE1955699C3 (de) 1968-11-06 1969-11-05 Magnetaufzeichnungsträger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8106868A JPS5526528B1 (it) 1968-11-06 1968-11-06

Publications (1)

Publication Number Publication Date
JPS5526528B1 true JPS5526528B1 (it) 1980-07-14

Family

ID=13736059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8106868A Pending JPS5526528B1 (it) 1968-11-06 1968-11-06

Country Status (3)

Country Link
JP (1) JPS5526528B1 (it)
DE (1) DE1955699C3 (it)
GB (1) GB1232337A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5311841B2 (it) * 1971-11-26 1978-04-25
JPS4955303A (it) * 1972-09-28 1974-05-29
JPS574013B2 (it) * 1974-07-31 1982-01-23
JPS54107709A (en) * 1978-02-10 1979-08-23 Victor Co Of Japan Ltd Magnetic recording material
DE3322746C2 (de) * 1983-06-24 1994-06-23 Basf Ag Magnetische Aufzeichnungsträger
DE3825619A1 (de) * 1988-07-28 1990-02-01 Agfa Gevaert Ag Verfahren zur herstellung eines magnetischen aufzeichnungstraegers
DE3927622A1 (de) * 1989-08-22 1991-02-28 Basf Ag Magnetischer aufzeichnungstraeger
JPH10275332A (ja) * 1997-03-31 1998-10-13 Tdk Corp 磁気記録媒体の製造方法

Also Published As

Publication number Publication date
DE1955699B2 (it) 1974-01-17
DE1955699A1 (de) 1970-06-18
GB1232337A (it) 1971-05-19
DE1955699C3 (de) 1974-08-15

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