JPS6126132B2 - - Google Patents

Info

Publication number
JPS6126132B2
JPS6126132B2 JP56041484A JP4148481A JPS6126132B2 JP S6126132 B2 JPS6126132 B2 JP S6126132B2 JP 56041484 A JP56041484 A JP 56041484A JP 4148481 A JP4148481 A JP 4148481A JP S6126132 B2 JPS6126132 B2 JP S6126132B2
Authority
JP
Japan
Prior art keywords
durability
magnetic
vinyl chloride
tdi
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
Application number
JP56041484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57158017A (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 JP4148481A priority Critical patent/JPS57158017A/ja
Publication of JPS57158017A publication Critical patent/JPS57158017A/ja
Publication of JPS6126132B2 publication Critical patent/JPS6126132B2/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
    • 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

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
JP4148481A 1981-03-20 1981-03-20 Magnetic recording medium Granted JPS57158017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4148481A JPS57158017A (en) 1981-03-20 1981-03-20 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4148481A JPS57158017A (en) 1981-03-20 1981-03-20 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57158017A JPS57158017A (en) 1982-09-29
JPS6126132B2 true JPS6126132B2 (enrdf_load_stackoverflow) 1986-06-19

Family

ID=12609616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4148481A Granted JPS57158017A (en) 1981-03-20 1981-03-20 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57158017A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6083219A (ja) * 1983-10-13 1985-05-11 Sekisui Chem Co Ltd 磁気記録体用結着剤

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5184602A (ja) * 1975-01-24 1976-07-24 Tdk Electronics Co Ltd Jikikirokutai
JPS5823647B2 (ja) * 1975-06-09 1983-05-17 富士写真フイルム株式会社 磁気記録体の製法
JPS549606A (en) * 1977-06-22 1979-01-24 Tdk Corp Magnetic recording medium
JPS5433705A (en) * 1977-08-18 1979-03-12 Hitachi Maxell Magnetic recording medium
JPS5446011A (en) * 1977-09-19 1979-04-11 Fuji Photo Film Co Ltd Magnetic recording medium
JPS585457B2 (ja) * 1978-11-30 1983-01-31 ティーディーケイ株式会社 磁気記録媒体
JPS55122234A (en) * 1979-03-08 1980-09-19 Fuji Photo Film Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
JPS57158017A (en) 1982-09-29

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