JPH0250526B2 - - Google Patents

Info

Publication number
JPH0250526B2
JPH0250526B2 JP56140162A JP14016281A JPH0250526B2 JP H0250526 B2 JPH0250526 B2 JP H0250526B2 JP 56140162 A JP56140162 A JP 56140162A JP 14016281 A JP14016281 A JP 14016281A JP H0250526 B2 JPH0250526 B2 JP H0250526B2
Authority
JP
Japan
Prior art keywords
quaternary ammonium
ammonium salt
film
magnetic
coating film
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
JP56140162A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5841432A (ja
Inventor
Tsunemi Ooiwa
Atsutaka Yamaguchi
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 JP56140162A priority Critical patent/JPS5841432A/ja
Publication of JPS5841432A publication Critical patent/JPS5841432A/ja
Publication of JPH0250526B2 publication Critical patent/JPH0250526B2/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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer

Landscapes

  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP56140162A 1981-09-04 1981-09-04 磁気記録媒体 Granted JPS5841432A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56140162A JPS5841432A (ja) 1981-09-04 1981-09-04 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56140162A JPS5841432A (ja) 1981-09-04 1981-09-04 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5841432A JPS5841432A (ja) 1983-03-10
JPH0250526B2 true JPH0250526B2 (enrdf_load_stackoverflow) 1990-11-02

Family

ID=15262311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56140162A Granted JPS5841432A (ja) 1981-09-04 1981-09-04 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5841432A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5841432A (ja) 1983-03-10

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