DE69020921D1 - Magnetischer Aufzeichnungsträger. - Google Patents

Magnetischer Aufzeichnungsträger.

Info

Publication number
DE69020921D1
DE69020921D1 DE69020921T DE69020921T DE69020921D1 DE 69020921 D1 DE69020921 D1 DE 69020921D1 DE 69020921 T DE69020921 T DE 69020921T DE 69020921 T DE69020921 T DE 69020921T DE 69020921 D1 DE69020921 D1 DE 69020921D1
Authority
DE
Germany
Prior art keywords
record carrier
magnetic record
magnetic
carrier
record
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
DE69020921T
Other languages
English (en)
Other versions
DE69020921T2 (de
Inventor
Katsuya Nakamura
Eitaro Nakamura
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.)
Zeon Corp
Original Assignee
Nippon Zeon 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 Nippon Zeon Co Ltd filed Critical Nippon Zeon Co Ltd
Application granted granted Critical
Publication of DE69020921D1 publication Critical patent/DE69020921D1/de
Publication of DE69020921T2 publication Critical patent/DE69020921T2/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
    • G11B5/68—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
    • 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
    • G11B5/7023—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 polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer
DE69020921T 1989-02-28 1990-02-27 Magnetischer Aufzeichnungsträger. Expired - Fee Related DE69020921T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4736389A JP2821755B2 (ja) 1989-02-28 1989-02-28 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE69020921D1 true DE69020921D1 (de) 1995-08-24
DE69020921T2 DE69020921T2 (de) 1995-11-30

Family

ID=12773029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020921T Expired - Fee Related DE69020921T2 (de) 1989-02-28 1990-02-27 Magnetischer Aufzeichnungsträger.

Country Status (5)

Country Link
US (1) US5244743A (de)
EP (1) EP0385715B1 (de)
JP (1) JP2821755B2 (de)
KR (1) KR930008779B1 (de)
DE (1) DE69020921T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2119498A1 (en) * 1993-03-22 1994-09-23 Charles Bernard Mallon Magnetic recording media

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60235814A (ja) * 1984-05-08 1985-11-22 Nippon Zeon Co Ltd 磁性塗料用樹脂
US4842942A (en) * 1984-08-15 1989-06-27 Toyo Boseki Kabushiki Kaisha Magnetic recording medium
US4600521A (en) * 1984-10-09 1986-07-15 Nippon Zeon Co., Ltd. Electron-beam reactive magnetic coating composition for magnetic recording media
JPH0673171B2 (ja) * 1985-07-04 1994-09-14 ソニー株式会社 磁気記録媒体
US4743501A (en) * 1985-11-27 1988-05-10 Tdk Corporation Magnetic recording medium
JPS63121117A (ja) * 1986-11-10 1988-05-25 Nippon Zeon Co Ltd 磁気記録媒体
US4770941A (en) * 1986-12-24 1988-09-13 Nisshin Chemical Industry Co., Ltd. Magnetic recording medium and a coating composition therefor
EP0283609B1 (de) * 1987-03-25 1991-09-18 Sekisui Kagaku Kogyo Kabushiki Kaisha Harz zur Anwendung bei magnetischen Aufzeichnungsträgern und Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
US5244743A (en) 1993-09-14
KR900013471A (ko) 1990-09-05
JPH02227817A (ja) 1990-09-11
DE69020921T2 (de) 1995-11-30
EP0385715A3 (de) 1991-06-12
EP0385715B1 (de) 1995-07-19
JP2821755B2 (ja) 1998-11-05
KR930008779B1 (ko) 1993-09-15
EP0385715A2 (de) 1990-09-05

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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