IT996447B - Supporto di registrazione magnetico - Google Patents

Supporto di registrazione magnetico

Info

Publication number
IT996447B
IT996447B IT53691/73A IT5369173A IT996447B IT 996447 B IT996447 B IT 996447B IT 53691/73 A IT53691/73 A IT 53691/73A IT 5369173 A IT5369173 A IT 5369173A IT 996447 B IT996447 B IT 996447B
Authority
IT
Italy
Prior art keywords
magnetic recording
recording support
support
magnetic
recording
Prior art date
Application number
IT53691/73A
Other languages
English (en)
Italian (it)
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 IT996447B publication Critical patent/IT996447B/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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
IT53691/73A 1972-11-15 1973-11-14 Supporto di registrazione magnetico IT996447B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2255802A DE2255802C3 (de) 1972-11-15 1972-11-15 Schichtmagnetogrammträger

Publications (1)

Publication Number Publication Date
IT996447B true IT996447B (it) 1975-12-10

Family

ID=5861711

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53691/73A IT996447B (it) 1972-11-15 1973-11-14 Supporto di registrazione magnetico

Country Status (7)

Country Link
JP (1) JPS5633774B2 (ja)
BE (1) BE807421A (ja)
CA (1) CA1010309A (ja)
DE (1) DE2255802C3 (ja)
FR (1) FR2206547B1 (ja)
GB (1) GB1448457A (ja)
IT (1) IT996447B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442762C2 (de) * 1974-09-06 1983-02-24 Basf Ag, 6700 Ludwigshafen Schichtmagnetogrammträger mit Polyurethanelastomer-Bindemitteln in der Magnetschicht
DE3002164C2 (de) * 1979-01-19 1994-05-05 Minnesota Mining & Mfg Magnetisches Aufzeichnungsmedium aus Feinteilchen in einem Polyurethanblockcopolymer-Bindemittel und Verfahren zu seiner Herstellung
DE3127884A1 (de) * 1981-07-15 1983-02-03 Agfa-Gevaert Ag, 5090 Leverkusen Magnetisches speichermedium
JPS6032142U (ja) * 1983-08-12 1985-03-05 株式会社クボタ 刈取収穫機の前照灯構造
DE3341699A1 (de) * 1983-11-18 1985-05-30 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
DE3341698A1 (de) * 1983-11-18 1985-05-30 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899411A (en) * 1956-07-30 1959-08-11 Polyurethane elastomers from hy-
DE1130612B (de) * 1961-01-03 1962-05-30 Agfa Ag Verfahren zur Herstellung von schichtfoermigen Magnetspeichern fuer Schall-, Bild- und Impulsaufzeichnung
BE638467A (ja) * 1962-10-15 1900-01-01
DE1906548A1 (de) * 1968-02-12 1969-09-18 Fuji Photo Film Co Ltd Magnetisches Aufzeichnungsmedium
DE2101490C3 (de) * 1971-01-14 1978-04-13 Basf Ag, 6700 Ludwigshafen Magnetkarten für die Datenerfassung

Also Published As

Publication number Publication date
GB1448457A (en) 1976-09-08
DE2255802C3 (de) 1981-10-15
DE2255802B2 (ja) 1981-01-22
BE807421A (fr) 1974-05-16
JPS4982307A (ja) 1974-08-08
JPS5633774B2 (ja) 1981-08-06
DE2255802A1 (de) 1974-05-22
FR2206547A1 (ja) 1974-06-07
FR2206547B1 (ja) 1977-06-03
CA1010309A (en) 1977-05-17

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