JPH0458651B2 - - Google Patents

Info

Publication number
JPH0458651B2
JPH0458651B2 JP58061288A JP6128883A JPH0458651B2 JP H0458651 B2 JPH0458651 B2 JP H0458651B2 JP 58061288 A JP58061288 A JP 58061288A JP 6128883 A JP6128883 A JP 6128883A JP H0458651 B2 JPH0458651 B2 JP H0458651B2
Authority
JP
Japan
Prior art keywords
parts
magnetic
compound
molecular weight
recording medium
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 - Lifetime
Application number
JP58061288A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59186121A (ja
Inventor
Tsutomu Okita
Nobuo Tsuji
Yoshihito Mukoda
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
Priority to JP58061288A priority Critical patent/JPS59186121A/ja
Priority to DE3413079A priority patent/DE3413079C2/de
Priority to US06/598,097 priority patent/US4699844A/en
Publication of JPS59186121A publication Critical patent/JPS59186121A/ja
Publication of JPH0458651B2 publication Critical patent/JPH0458651B2/ja
Granted 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
    • G11B5/7026—Radiation curable polymers
    • 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
    • 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]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing
    • 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

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP58061288A 1983-04-07 1983-04-07 磁気記録媒体 Granted JPS59186121A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58061288A JPS59186121A (ja) 1983-04-07 1983-04-07 磁気記録媒体
DE3413079A DE3413079C2 (de) 1983-04-07 1984-04-06 Magnetisches Aufzeichnungsmaterial
US06/598,097 US4699844A (en) 1983-04-07 1984-04-09 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58061288A JPS59186121A (ja) 1983-04-07 1983-04-07 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS59186121A JPS59186121A (ja) 1984-10-22
JPH0458651B2 true JPH0458651B2 (h) 1992-09-18

Family

ID=13166856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58061288A Granted JPS59186121A (ja) 1983-04-07 1983-04-07 磁気記録媒体

Country Status (3)

Country Link
US (1) US4699844A (h)
JP (1) JPS59186121A (h)
DE (1) DE3413079C2 (h)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600521A (en) * 1984-10-09 1986-07-15 Nippon Zeon Co., Ltd. Electron-beam reactive magnetic coating composition for magnetic recording media
EP0626678B1 (en) * 1993-03-22 1998-09-30 Union Carbide Chemicals & Plastics Technology Corporation Magnetic recording media
US5446085A (en) * 1993-06-15 1995-08-29 International Business Machines Corporation Polymeric compositions containing inorganic fillers and use thereof
US6610426B2 (en) * 2000-10-12 2003-08-26 Fuji Photo Film Co., Ltd. Magnetic recording medium containing a binder of trifunctional or higher aliphatic (meth) acrylate compound

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004997A (en) * 1972-01-30 1977-01-25 Seiko Shimada Process of curing a polymerizable composition containing a magnetized powered ferromagnetic material with radioactive rays
JPS56122802A (en) * 1980-03-03 1981-09-26 Toyo Ink Mfg Co Ltd Radiation-curable resin composition
JPS5730121A (en) * 1980-07-31 1982-02-18 Tdk Corp Magnetic recording medium
JPS5792421A (en) * 1980-11-25 1982-06-09 Sony Corp Magnetic recording medium
JPS57130231A (en) * 1981-02-04 1982-08-12 Fuji Photo Film Co Ltd Manufacture of magnetic recording material
JPS57128711A (en) * 1981-02-04 1982-08-10 Denki Kagaku Kogyo Kk Resin solution for magnetic coating material
JPS57130229A (en) * 1981-02-04 1982-08-12 Fuji Photo Film Co Ltd Manufacture of magnetic recording material
JPS57164436A (en) * 1981-04-02 1982-10-09 Fuji Photo Film Co Ltd Manufacture of magnetic recording medium
JPS57169929A (en) * 1981-04-13 1982-10-19 Tdk Corp Magnetic recording medium and its manufacture
JPS57208633A (en) * 1981-06-19 1982-12-21 Tdk Corp Magnetic recording medium
JPS57208634A (en) * 1981-06-19 1982-12-21 Tdk Corp Magnetic recording medium
JPS5897132A (ja) * 1981-12-07 1983-06-09 Fuji Photo Film Co Ltd 磁気記録材料の製造方法

Also Published As

Publication number Publication date
DE3413079A1 (de) 1984-10-31
US4699844A (en) 1987-10-13
DE3413079C2 (de) 1997-04-03
JPS59186121A (ja) 1984-10-22

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