BE807421A - Supports d'enregistrements magnetiques - Google Patents

Supports d'enregistrements magnetiques

Info

Publication number
BE807421A
BE807421A BE137837A BE137837A BE807421A BE 807421 A BE807421 A BE 807421A BE 137837 A BE137837 A BE 137837A BE 137837 A BE137837 A BE 137837A BE 807421 A BE807421 A BE 807421A
Authority
BE
Belgium
Prior art keywords
magnetic recording
recording media
media
magnetic
recording
Prior art date
Application number
BE137837A
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
Publication of BE807421A publication Critical patent/BE807421A/fr

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)
BE137837A 1972-11-15 1973-11-16 Supports d'enregistrements magnetiques BE807421A (fr)

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
BE807421A true BE807421A (fr) 1974-05-16

Family

ID=5861711

Family Applications (1)

Application Number Title Priority Date Filing Date
BE137837A BE807421A (fr) 1972-11-15 1973-11-16 Supports d'enregistrements magnetiques

Country Status (7)

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

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
FR2446855A1 (fr) * 1979-01-19 1980-08-14 Minnesota Mining & Mfg Revetement de particules fines dans un liant en copolymere sequence de polyurethane et milieu d'enregistrement magnetique comportant un tel revetement
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
DE3341698A1 (de) * 1983-11-18 1985-05-30 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
DE3341699A1 (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
NL126092C (fr) * 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
FR2206547B1 (fr) 1977-06-03
IT996447B (it) 1975-12-10
JPS4982307A (fr) 1974-08-08
DE2255802A1 (de) 1974-05-22
FR2206547A1 (fr) 1974-06-07
DE2255802C3 (de) 1981-10-15
CA1010309A (en) 1977-05-17
GB1448457A (en) 1976-09-08
JPS5633774B2 (fr) 1981-08-06
DE2255802B2 (fr) 1981-01-22

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BASF A.G.

Effective date: 19861130