JPH0531203B2 - - Google Patents

Info

Publication number
JPH0531203B2
JPH0531203B2 JP57022329A JP2232982A JPH0531203B2 JP H0531203 B2 JPH0531203 B2 JP H0531203B2 JP 57022329 A JP57022329 A JP 57022329A JP 2232982 A JP2232982 A JP 2232982A JP H0531203 B2 JPH0531203 B2 JP H0531203B2
Authority
JP
Japan
Prior art keywords
plastic film
film substrate
lubricant
back surface
magnetic recording
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
JP57022329A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58141434A (ja
Inventor
Toshuki Inagaki
Hisao Matsura
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57022329A priority Critical patent/JPS58141434A/ja
Publication of JPS58141434A publication Critical patent/JPS58141434A/ja
Publication of JPH0531203B2 publication Critical patent/JPH0531203B2/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
    • 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates

Landscapes

  • Lubricants (AREA)
  • Magnetic Record Carriers (AREA)
JP57022329A 1982-02-15 1982-02-15 磁気記録媒体 Granted JPS58141434A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57022329A JPS58141434A (ja) 1982-02-15 1982-02-15 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57022329A JPS58141434A (ja) 1982-02-15 1982-02-15 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS58141434A JPS58141434A (ja) 1983-08-22
JPH0531203B2 true JPH0531203B2 (enExample) 1993-05-12

Family

ID=12079666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57022329A Granted JPS58141434A (ja) 1982-02-15 1982-02-15 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS58141434A (enExample)

Also Published As

Publication number Publication date
JPS58141434A (ja) 1983-08-22

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