GB1260522A - Magnetic recording media - Google Patents

Magnetic recording media

Info

Publication number
GB1260522A
GB1260522A GB734369A GB734369A GB1260522A GB 1260522 A GB1260522 A GB 1260522A GB 734369 A GB734369 A GB 734369A GB 734369 A GB734369 A GB 734369A GB 1260522 A GB1260522 A GB 1260522A
Authority
GB
United Kingdom
Prior art keywords
polyurethane
alloy
methacrylate
magnetic recording
vinyl acetate
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB734369A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB1260522A publication Critical patent/GB1260522A/en
Expired legal-status Critical Current

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

Landscapes

  • Paints Or Removers (AREA)
GB734369A 1968-02-12 1969-02-11 Magnetic recording media Expired GB1260522A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP870468 1968-02-12

Publications (1)

Publication Number Publication Date
GB1260522A true GB1260522A (en) 1972-01-19

Family

ID=11700307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB734369A Expired GB1260522A (en) 1968-02-12 1969-02-11 Magnetic recording media

Country Status (2)

Country Link
DE (1) DE1906548A1 (de)
GB (1) GB1260522A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206547A1 (de) * 1972-11-15 1974-06-07 Basf Ag

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127884A1 (de) * 1981-07-15 1983-02-03 Agfa-Gevaert Ag, 5090 Leverkusen Magnetisches speichermedium
US4410440A (en) * 1982-02-26 1983-10-18 International Business Machines Corporation Polyurethane magnetic disk coatings
WO1986004719A1 (en) * 1985-02-06 1986-08-14 Memorex Corporation Aqueous thermoset magnetic coating composition and method of making

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206547A1 (de) * 1972-11-15 1974-06-07 Basf Ag

Also Published As

Publication number Publication date
DE1906548A1 (de) 1969-09-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee