JPH0370286B2 - - Google Patents

Info

Publication number
JPH0370286B2
JPH0370286B2 JP56041483A JP4148381A JPH0370286B2 JP H0370286 B2 JPH0370286 B2 JP H0370286B2 JP 56041483 A JP56041483 A JP 56041483A JP 4148381 A JP4148381 A JP 4148381A JP H0370286 B2 JPH0370286 B2 JP H0370286B2
Authority
JP
Japan
Prior art keywords
magnetic
tdi
durability
polyurethane elastomer
average molecular
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
JP56041483A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57158016A (en
Inventor
Takezo Shimizu
Fumio Togawa
Haruo Ando
Susumu Kitaoka
Kosaburo Sato
Osamu Saito
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP4148381A priority Critical patent/JPS57158016A/ja
Publication of JPS57158016A publication Critical patent/JPS57158016A/ja
Publication of JPH0370286B2 publication Critical patent/JPH0370286B2/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)
  • Magnetic Record Carriers (AREA)
JP4148381A 1981-03-20 1981-03-20 Magnetic recording medium Granted JPS57158016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4148381A JPS57158016A (en) 1981-03-20 1981-03-20 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4148381A JPS57158016A (en) 1981-03-20 1981-03-20 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57158016A JPS57158016A (en) 1982-09-29
JPH0370286B2 true JPH0370286B2 (enrdf_load_stackoverflow) 1991-11-07

Family

ID=12609587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4148381A Granted JPS57158016A (en) 1981-03-20 1981-03-20 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57158016A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53128306A (en) * 1977-04-14 1978-11-09 Sony Corp Magnetic recording medium
JPS5468206A (en) * 1977-11-10 1979-06-01 Sony Corp Magnetic recording medium
JPS585453B2 (ja) * 1978-02-10 1983-01-31 日本ビクター株式会社 磁気記録媒体
JPS5538693A (en) * 1978-09-13 1980-03-18 Toyo Tire & Rubber Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
JPS57158016A (en) 1982-09-29

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