IT983703B - MAGNETIC RECORDING MEANS AND METHOD FOR ITS PRODUCTION - Google Patents

MAGNETIC RECORDING MEANS AND METHOD FOR ITS PRODUCTION

Info

Publication number
IT983703B
IT983703B IT2271773A IT2271773A IT983703B IT 983703 B IT983703 B IT 983703B IT 2271773 A IT2271773 A IT 2271773A IT 2271773 A IT2271773 A IT 2271773A IT 983703 B IT983703 B IT 983703B
Authority
IT
Italy
Prior art keywords
production
magnetic recording
recording means
magnetic
recording
Prior art date
Application number
IT2271773A
Other languages
Italian (it)
Original Assignee
Sony 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
Priority claimed from JP3557772A external-priority patent/JPS5119971B2/ja
Priority claimed from JP3557672A external-priority patent/JPS5137002B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of IT983703B publication Critical patent/IT983703B/en

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
    • G11B5/7028—Additives, e.g. crosslinking agents
    • 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
    • G11B5/7013—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 dispersing agent
IT2271773A 1972-04-07 1973-04-06 MAGNETIC RECORDING MEANS AND METHOD FOR ITS PRODUCTION IT983703B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3557772A JPS5119971B2 (en) 1972-04-07 1972-04-07
JP3557672A JPS5137002B2 (en) 1972-04-07 1972-04-07

Publications (1)

Publication Number Publication Date
IT983703B true IT983703B (en) 1974-11-11

Family

ID=26374567

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2271773A IT983703B (en) 1972-04-07 1973-04-06 MAGNETIC RECORDING MEANS AND METHOD FOR ITS PRODUCTION

Country Status (6)

Country Link
CA (1) CA1042277A (en)
DE (1) DE2317409C3 (en)
FR (1) FR2181874B1 (en)
GB (1) GB1431854A (en)
IT (1) IT983703B (en)
NL (1) NL7304945A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1167408A (en) * 1980-09-22 1984-05-15 Hao-Jan Chang Electron beam curing of magnetic media
JPS6087429A (en) * 1983-10-19 1985-05-17 Victor Co Of Japan Ltd Magnetic recording medium and its production
EP0180651B1 (en) * 1984-10-31 1988-09-07 Ibm Deutschland Gmbh Magnetic disc and process for producing it

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404997A (en) * 1965-05-10 1968-10-08 Ampex Magnetic recording media
US3412044A (en) * 1965-06-03 1968-11-19 Ampex Diamine soap as dispersant in magnetic tape formulations

Also Published As

Publication number Publication date
DE2317409B2 (en) 1980-11-20
DE2317409A1 (en) 1973-10-11
FR2181874B1 (en) 1977-02-18
CA1042277A (en) 1978-11-14
DE2317409C3 (en) 1981-11-12
FR2181874A1 (en) 1973-12-07
NL7304945A (en) 1973-10-09
GB1431854A (en) 1976-04-14

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