JPS5977624A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPS5977624A
JPS5977624A JP18768382A JP18768382A JPS5977624A JP S5977624 A JPS5977624 A JP S5977624A JP 18768382 A JP18768382 A JP 18768382A JP 18768382 A JP18768382 A JP 18768382A JP S5977624 A JPS5977624 A JP S5977624A
Authority
JP
Japan
Prior art keywords
polyester
magnetic
carboxylic acid
binder
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
JP18768382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0366728B2 (enExample
Inventor
Seiichi Miyai
清一 宮井
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.)
Sony Corp
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
Priority to JP18768382A priority Critical patent/JPS5977624A/ja
Publication of JPS5977624A publication Critical patent/JPS5977624A/ja
Publication of JPH0366728B2 publication Critical patent/JPH0366728B2/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
    • G11B5/7021—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

Landscapes

  • Paints Or Removers (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Magnetic Record Carriers (AREA)
JP18768382A 1982-10-26 1982-10-26 磁気記録媒体 Granted JPS5977624A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18768382A JPS5977624A (ja) 1982-10-26 1982-10-26 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18768382A JPS5977624A (ja) 1982-10-26 1982-10-26 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5977624A true JPS5977624A (ja) 1984-05-04
JPH0366728B2 JPH0366728B2 (enExample) 1991-10-18

Family

ID=16210308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18768382A Granted JPS5977624A (ja) 1982-10-26 1982-10-26 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5977624A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6222866A (ja) * 1985-07-23 1987-01-31 ジェイエスアール株式会社 優れた放射線硬化性塗料
JPS6230163A (ja) * 1985-07-31 1987-02-09 ジェイエスアール株式会社 放射線硬化性塗料
JPS6386112A (ja) * 1986-09-29 1988-04-16 Tdk Corp 磁気記録媒体
JPS6387613A (ja) * 1986-09-30 1988-04-18 Tdk Corp 磁気記録媒体
US4738344A (en) * 1985-11-01 1988-04-19 Toyota Jidosha Kabushiki Kaisha Friction clutch

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6222866A (ja) * 1985-07-23 1987-01-31 ジェイエスアール株式会社 優れた放射線硬化性塗料
JPS6230163A (ja) * 1985-07-31 1987-02-09 ジェイエスアール株式会社 放射線硬化性塗料
US4738344A (en) * 1985-11-01 1988-04-19 Toyota Jidosha Kabushiki Kaisha Friction clutch
JPS6386112A (ja) * 1986-09-29 1988-04-16 Tdk Corp 磁気記録媒体
JPS6387613A (ja) * 1986-09-30 1988-04-18 Tdk Corp 磁気記録媒体

Also Published As

Publication number Publication date
JPH0366728B2 (enExample) 1991-10-18

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