IT1032165B - Procedimento per la produzione di supporti magnetici per magneto grammi a strati - Google Patents

Procedimento per la produzione di supporti magnetici per magneto grammi a strati

Info

Publication number
IT1032165B
IT1032165B IT5450374A IT5450374A IT1032165B IT 1032165 B IT1032165 B IT 1032165B IT 5450374 A IT5450374 A IT 5450374A IT 5450374 A IT5450374 A IT 5450374A IT 1032165 B IT1032165 B IT 1032165B
Authority
IT
Italy
Prior art keywords
magneto
grams
layers
procedure
production
Prior art date
Application number
IT5450374A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1032165B publication Critical patent/IT1032165B/it

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
    • 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
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
IT5450374A 1973-12-15 1974-12-11 Procedimento per la produzione di supporti magnetici per magneto grammi a strati IT1032165B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732362475 DE2362475A1 (de) 1973-12-15 1973-12-15 Verfahren zur herstellung magnetischer schichtmagnetogrammtraeger

Publications (1)

Publication Number Publication Date
IT1032165B true IT1032165B (it) 1979-05-30

Family

ID=5900894

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5450374A IT1032165B (it) 1973-12-15 1974-12-11 Procedimento per la produzione di supporti magnetici per magneto grammi a strati

Country Status (3)

Country Link
DE (1) DE2362475A1 (it)
FR (1) FR2254852A1 (it)
IT (1) IT1032165B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5570937A (en) * 1978-11-24 1980-05-28 Tdk Corp Magnetic recording media

Also Published As

Publication number Publication date
FR2254852A1 (en) 1975-07-11
DE2362475A1 (de) 1975-07-03
FR2254852B3 (it) 1977-09-16

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