NL7106779A - - Google Patents

Info

Publication number
NL7106779A
NL7106779A NL7106779A NL7106779A NL7106779A NL 7106779 A NL7106779 A NL 7106779A NL 7106779 A NL7106779 A NL 7106779A NL 7106779 A NL7106779 A NL 7106779A NL 7106779 A NL7106779 A NL 7106779A
Authority
NL
Netherlands
Application number
NL7106779A
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
Publication of NL7106779A publication Critical patent/NL7106779A/xx

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
    • G11B5/708—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 addition of non-magnetic particles to the layer
    • G11B5/7085—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 addition of non-magnetic particles to the layer non-magnetic abrasive particles
    • 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
    • G11B5/708—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 addition of non-magnetic particles to the layer
NL7106779A 1970-06-08 1971-05-18 NL7106779A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4428470A 1970-06-08 1970-06-08

Publications (1)

Publication Number Publication Date
NL7106779A true NL7106779A (xx) 1971-12-10

Family

ID=21931507

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7106779A NL7106779A (xx) 1970-06-08 1971-05-18

Country Status (6)

Country Link
BE (1) BE768176A (xx)
CA (1) CA974046A (xx)
DE (1) DE2124174A1 (xx)
FR (1) FR2096031A5 (xx)
GB (1) GB1342797A (xx)
NL (1) NL7106779A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066039A2 (en) * 1981-05-29 1982-12-08 International Business Machines Corporation A magnetic recording medium

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2512450C3 (de) * 1975-03-21 1981-11-12 Basf Ag, 6700 Ludwigshafen Schichtmagnetogrammträger
JPS5758227A (en) * 1980-09-25 1982-04-07 Tdk Corp Magnetic recording medium
DE3470811D1 (en) * 1984-10-31 1988-06-01 Ibm Deutschland Magnetic disc and process for producing it
EP0180651B1 (de) * 1984-10-31 1988-09-07 Ibm Deutschland Gmbh Magnetplatte und Verfahren zu ihrer Herstellung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066039A2 (en) * 1981-05-29 1982-12-08 International Business Machines Corporation A magnetic recording medium
EP0066039A3 (en) * 1981-05-29 1983-08-17 International Business Machines Corporation A magnetic recording medium

Also Published As

Publication number Publication date
DE2124174A1 (de) 1971-12-16
BE768176A (fr) 1971-12-07
GB1342797A (en) 1974-01-03
CA974046A (en) 1975-09-09
FR2096031A5 (xx) 1972-02-11

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Legal Events

Date Code Title Description
BV The patent application has lapsed