NL7811153A - MAGNETIC RECORDING MEDIA. - Google Patents

MAGNETIC RECORDING MEDIA.

Info

Publication number
NL7811153A
NL7811153A NL7811153A NL7811153A NL7811153A NL 7811153 A NL7811153 A NL 7811153A NL 7811153 A NL7811153 A NL 7811153A NL 7811153 A NL7811153 A NL 7811153A NL 7811153 A NL7811153 A NL 7811153A
Authority
NL
Netherlands
Prior art keywords
magnetic recording
recording media
media
magnetic
recording
Prior art date
Application number
NL7811153A
Other languages
Dutch (nl)
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of NL7811153A publication Critical patent/NL7811153A/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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/69—Polymers of conjugated dienes
    • 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
NL7811153A 1977-11-10 1978-11-10 MAGNETIC RECORDING MEDIA. NL7811153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13509277A JPS5468206A (en) 1977-11-10 1977-11-10 Magnetic recording medium

Publications (1)

Publication Number Publication Date
NL7811153A true NL7811153A (en) 1979-05-14

Family

ID=15143641

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7811153A NL7811153A (en) 1977-11-10 1978-11-10 MAGNETIC RECORDING MEDIA.

Country Status (3)

Country Link
JP (1) JPS5468206A (en)
DE (1) DE2848919A1 (en)
NL (1) NL7811153A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122802A (en) * 1980-03-03 1981-09-26 Toyo Ink Mfg Co Ltd Radiation-curable resin composition
JPS57158016A (en) * 1981-03-20 1982-09-29 Hitachi Maxell Ltd Magnetic recording medium
US4546035A (en) * 1983-06-27 1985-10-08 International Business Machines Corporation Polymeric additives for magnetic coating materials

Also Published As

Publication number Publication date
JPS5468206A (en) 1979-06-01
DE2848919A1 (en) 1979-05-17

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed