FR2096031A5 - - Google Patents

Info

Publication number
FR2096031A5
FR2096031A5 FR7120612A FR7120612A FR2096031A5 FR 2096031 A5 FR2096031 A5 FR 2096031A5 FR 7120612 A FR7120612 A FR 7120612A FR 7120612 A FR7120612 A FR 7120612A FR 2096031 A5 FR2096031 A5 FR 2096031A5
Authority
FR
France
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
FR7120612A
Other languages
French (fr)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR2096031A5 publication Critical patent/FR2096031A5/fr
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
    • G11B5/708—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
FR7120612A 1970-06-08 1971-06-01 Expired FR2096031A5 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2096031A5 true FR2096031A5 (en) 1972-02-11

Family

ID=21931507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7120612A Expired FR2096031A5 (en) 1970-06-08 1971-06-01

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179934A1 (en) * 1984-10-31 1986-05-07 Ibm Deutschland Gmbh Magnetic disc and process for producing it
EP0180651B1 (en) * 1984-10-31 1988-09-07 Ibm Deutschland Gmbh Magnetic disc and process for producing it

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2512450C3 (en) * 1975-03-21 1981-11-12 Basf Ag, 6700 Ludwigshafen Layer magnetogram carrier
JPS5758227A (en) * 1980-09-25 1982-04-07 Tdk Corp Magnetic recording medium
US4451532A (en) * 1981-05-29 1984-05-29 International Business Machines Corporation Magnetic recording composition employing mono-dispersed spherical load-bearing particles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179934A1 (en) * 1984-10-31 1986-05-07 Ibm Deutschland Gmbh Magnetic disc and process for producing it
EP0180651B1 (en) * 1984-10-31 1988-09-07 Ibm Deutschland Gmbh Magnetic disc and process for producing it

Also Published As

Publication number Publication date
DE2124174A1 (en) 1971-12-16
NL7106779A (en) 1971-12-10
BE768176A (en) 1971-12-07
GB1342797A (en) 1974-01-03
CA974046A (en) 1975-09-09

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