JPH0318249B2 - - Google Patents

Info

Publication number
JPH0318249B2
JPH0318249B2 JP56035859A JP3585981A JPH0318249B2 JP H0318249 B2 JPH0318249 B2 JP H0318249B2 JP 56035859 A JP56035859 A JP 56035859A JP 3585981 A JP3585981 A JP 3585981A JP H0318249 B2 JPH0318249 B2 JP H0318249B2
Authority
JP
Japan
Prior art keywords
magnetic
powder
molecular weight
isocyanate
diisocyanate
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
JP56035859A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57150127A (en
Inventor
Masahiro Amamya
Akira Okazoe
Akira Myake
Hiroshi Zaitsu
Yoshinori Yamamoto
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 JP3585981A priority Critical patent/JPS57150127A/ja
Publication of JPS57150127A publication Critical patent/JPS57150127A/ja
Publication of JPH0318249B2 publication Critical patent/JPH0318249B2/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)
JP3585981A 1981-03-11 1981-03-11 Magnetic recording medium Granted JPS57150127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3585981A JPS57150127A (en) 1981-03-11 1981-03-11 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3585981A JPS57150127A (en) 1981-03-11 1981-03-11 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57150127A JPS57150127A (en) 1982-09-16
JPH0318249B2 true JPH0318249B2 (enrdf_load_stackoverflow) 1991-03-12

Family

ID=12453702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3585981A Granted JPS57150127A (en) 1981-03-11 1981-03-11 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57150127A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055516A (ja) * 1983-09-06 1985-03-30 Toshiba Corp 磁気記録媒体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55139634A (en) * 1979-04-16 1980-10-31 Hitachi Maxell Ltd Magnetic recording medium

Also Published As

Publication number Publication date
JPS57150127A (en) 1982-09-16

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