BE781192A - MAGNETIC RECORDING MEDIA - Google Patents

MAGNETIC RECORDING MEDIA

Info

Publication number
BE781192A
BE781192A BE781192A BE781192A BE781192A BE 781192 A BE781192 A BE 781192A BE 781192 A BE781192 A BE 781192A BE 781192 A BE781192 A BE 781192A BE 781192 A BE781192 A BE 781192A
Authority
BE
Belgium
Prior art keywords
magnetic recording
recording media
media
magnetic
recording
Prior art date
Application number
BE781192A
Other languages
French (fr)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of BE781192A publication Critical patent/BE781192A/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
    • G11B5/7021—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
    • G11B5/7022—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 containing mixtures of polyurethanes or polyisocyanates with other polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/06—Polyurethanes from polyesters
BE781192A 1971-03-26 1972-03-24 MAGNETIC RECORDING MEDIA BE781192A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712114611 DE2114611A1 (en) 1971-03-26 1971-03-26 Magnetic recording media

Publications (1)

Publication Number Publication Date
BE781192A true BE781192A (en) 1972-09-25

Family

ID=5802789

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781192A BE781192A (en) 1971-03-26 1972-03-24 MAGNETIC RECORDING MEDIA

Country Status (7)

Country Link
BE (1) BE781192A (en)
CA (1) CA969433A (en)
DE (1) DE2114611A1 (en)
FR (1) FR2130654B1 (en)
GB (1) GB1375295A (en)
IT (1) IT952402B (en)
NL (1) NL7203689A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3151590A1 (en) 1981-12-28 1983-07-07 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING MAGNETIC RECORDING CARRIERS
DE3927659A1 (en) * 1989-08-22 1991-02-28 Basf Ag MAGNETIC RECORDING DEVICE
US6720025B2 (en) 2002-07-01 2004-04-13 3M Innovative Properties Company Slot extrusion coating methods

Also Published As

Publication number Publication date
DE2114611A1 (en) 1972-10-05
NL7203689A (en) 1972-09-28
FR2130654A1 (en) 1972-11-03
CA969433A (en) 1975-06-17
IT952402B (en) 1973-07-20
GB1375295A (en) 1974-11-27
FR2130654B1 (en) 1975-04-25

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