JPS6079520A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPS6079520A
JPS6079520A JP58184535A JP18453583A JPS6079520A JP S6079520 A JPS6079520 A JP S6079520A JP 58184535 A JP58184535 A JP 58184535A JP 18453583 A JP18453583 A JP 18453583A JP S6079520 A JPS6079520 A JP S6079520A
Authority
JP
Japan
Prior art keywords
radiation
magnetic
resin
weight
carboxylic acid
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.)
Granted
Application number
JP58184535A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0576091B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Shigeru Shimada
茂 島田
Yuichi Kubota
悠一 久保田
Masaharu Nishimatsu
西松　正治
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP58184535A priority Critical patent/JPS6079520A/ja
Priority to US06/657,728 priority patent/US4601947A/en
Publication of JPS6079520A publication Critical patent/JPS6079520A/ja
Publication of JPH0576091B2 publication Critical patent/JPH0576091B2/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
    • G11B5/7023—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
    • 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
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP58184535A 1983-10-04 1983-10-04 磁気記録媒体 Granted JPS6079520A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58184535A JPS6079520A (ja) 1983-10-04 1983-10-04 磁気記録媒体
US06/657,728 US4601947A (en) 1983-10-04 1984-10-04 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58184535A JPS6079520A (ja) 1983-10-04 1983-10-04 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS6079520A true JPS6079520A (ja) 1985-05-07
JPH0576091B2 JPH0576091B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-10-21

Family

ID=16154894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58184535A Granted JPS6079520A (ja) 1983-10-04 1983-10-04 磁気記録媒体

Country Status (2)

Country Link
US (1) US4601947A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6079520A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6052922A (ja) * 1983-09-02 1985-03-26 Tdk Corp 磁気記録媒体
JPS63239904A (ja) * 1987-03-27 1988-10-05 Nippon Seiko Kk 光硬化型磁性流体
JP2502639B2 (ja) * 1987-12-09 1996-05-29 日信化学工業株式会社 磁気記録媒体
US5547599A (en) * 1989-03-17 1996-08-20 Raytheon Company Ferrite/epoxy film
US5143637A (en) * 1990-02-20 1992-09-01 Nippon Seiko Kabushiki Kaisha Magnetic fluid composition
JP2004185713A (ja) * 2002-12-03 2004-07-02 Fuji Photo Film Co Ltd 磁気記録媒体

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5740742A (en) * 1980-08-23 1982-03-06 Sony Corp Magnetic recording medium

Family Cites Families (11)

* 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
JPS5625232A (en) * 1979-08-06 1981-03-11 Sony Corp Magnetic recording medium
JPS5715231A (en) * 1980-07-03 1982-01-26 Sony Corp Magnetic recording medium
US4448846A (en) * 1980-09-22 1984-05-15 Ampex Corporation Radiation-cured magnetic media and process for making same
JPS57130229A (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
JPS57164436A (en) * 1981-04-02 1982-10-09 Fuji Photo Film Co Ltd Manufacture of 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
JPS58114330A (ja) * 1981-12-28 1983-07-07 Denki Kagaku Kogyo Kk 磁気記録媒体用磁性塗料
JPS59127225A (ja) * 1983-01-06 1984-07-23 Tdk Corp 磁気記録媒体
JPS59177727A (ja) * 1983-03-25 1984-10-08 Tdk Corp 磁気記録媒体

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5740742A (en) * 1980-08-23 1982-03-06 Sony Corp Magnetic recording medium

Also Published As

Publication number Publication date
US4601947A (en) 1986-07-22
JPH0576091B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-10-21

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