DE69314042D1 - Magnetisches Aufzeichnungsmedium mit Bindemittel, das sowohl durch Strahlung als auch durch eine Isocyanatverbindung härtbar ist - Google Patents

Magnetisches Aufzeichnungsmedium mit Bindemittel, das sowohl durch Strahlung als auch durch eine Isocyanatverbindung härtbar ist

Info

Publication number
DE69314042D1
DE69314042D1 DE69314042T DE69314042T DE69314042D1 DE 69314042 D1 DE69314042 D1 DE 69314042D1 DE 69314042 T DE69314042 T DE 69314042T DE 69314042 T DE69314042 T DE 69314042T DE 69314042 D1 DE69314042 D1 DE 69314042D1
Authority
DE
Germany
Prior art keywords
curable
binder
radiation
recording medium
magnetic recording
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 - Fee Related
Application number
DE69314042T
Other languages
English (en)
Other versions
DE69314042T2 (de
Inventor
John G C O Minnesota Chernega
John M C O Minnesota Mi Muggee
Deral T C O Minnesota M Mosbey
Jeffrey T C O Minneso Anderson
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE69314042D1 publication Critical patent/DE69314042D1/de
Application granted granted Critical
Publication of DE69314042T2 publication Critical patent/DE69314042T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer
    • 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
    • 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
DE69314042T 1992-06-04 1993-05-03 Magnetisches Aufzeichnungsmedium mit Bindemittel, das sowohl durch Strahlung als auch durch eine Isocyanatverbindung härtbar ist Expired - Fee Related DE69314042T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89391292A 1992-06-04 1992-06-04

Publications (2)

Publication Number Publication Date
DE69314042D1 true DE69314042D1 (de) 1997-10-23
DE69314042T2 DE69314042T2 (de) 1998-03-26

Family

ID=25402325

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69305743T Expired - Fee Related DE69305743T2 (de) 1992-06-04 1993-05-03 Magnetisches aufzeichnungsmedium welches einen sowohl durch strahlung als auch durch eine isocyanatverbindung härtbaren binder enthält
DE69314042T Expired - Fee Related DE69314042T2 (de) 1992-06-04 1993-05-03 Magnetisches Aufzeichnungsmedium mit Bindemittel, das sowohl durch Strahlung als auch durch eine Isocyanatverbindung härtbar ist

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69305743T Expired - Fee Related DE69305743T2 (de) 1992-06-04 1993-05-03 Magnetisches aufzeichnungsmedium welches einen sowohl durch strahlung als auch durch eine isocyanatverbindung härtbaren binder enthält

Country Status (7)

Country Link
EP (2) EP0643866B1 (de)
JP (1) JPH07507413A (de)
CN (1) CN1079573A (de)
AU (1) AU4229993A (de)
CA (1) CA2135484A1 (de)
DE (2) DE69305743T2 (de)
WO (1) WO1993024924A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1071043C (zh) * 1995-09-26 2001-09-12 刘中原 用于涂布预付磁卡的磁浆及其制备方法
WO1997023869A1 (en) * 1995-12-21 1997-07-03 Imation Corp. Magnetic recording medium having polymeric radiation cross-linking agent

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223937A (ja) * 1983-06-03 1984-12-15 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6018816A (ja) * 1983-07-11 1985-01-30 Sony Corp 磁気記録媒体
JPH0644345B2 (ja) * 1987-04-30 1994-06-08 富士写真フイルム株式会社 磁気記録媒体の製造方法
JPH0799573B2 (ja) * 1987-09-30 1995-10-25 富士写真フイルム株式会社 磁気記録媒体
JPH02618A (ja) * 1987-12-16 1990-01-05 Toyobo Co Ltd 放射線硬化型樹脂及びそれを用いた磁気記録媒体
JP2842894B2 (ja) * 1989-07-12 1999-01-06 富士写真フイルム株式会社 磁気記録媒体
DE69108996T2 (de) * 1990-07-05 1995-08-31 Matsushita Electric Ind Co Ltd Magnetischer Aufzeichnungsträger und dessen Herstellungsverfahren.

Also Published As

Publication number Publication date
EP0657876B1 (de) 1997-09-17
EP0643866B1 (de) 1996-10-30
AU4229993A (en) 1993-12-30
CN1079573A (zh) 1993-12-15
JPH07507413A (ja) 1995-08-10
DE69305743T2 (de) 1997-04-10
WO1993024924A2 (en) 1993-12-09
CA2135484A1 (en) 1993-12-09
DE69305743D1 (de) 1996-12-05
DE69314042T2 (de) 1998-03-26
EP0657876A1 (de) 1995-06-14
WO1993024924A3 (en) 1994-02-03
EP0643866A1 (de) 1995-03-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee