JPS6346885B2 - - Google Patents

Info

Publication number
JPS6346885B2
JPS6346885B2 JP55116756A JP11675680A JPS6346885B2 JP S6346885 B2 JPS6346885 B2 JP S6346885B2 JP 55116756 A JP55116756 A JP 55116756A JP 11675680 A JP11675680 A JP 11675680A JP S6346885 B2 JPS6346885 B2 JP S6346885B2
Authority
JP
Japan
Prior art keywords
acid
back coat
coat layer
propanediol
compound
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
JP55116756A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5740755A (en
Inventor
Masashi Somezawa
Kaoru Nakajima
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP55116756A priority Critical patent/JPS5740755A/ja
Publication of JPS5740755A publication Critical patent/JPS5740755A/ja
Publication of JPS6346885B2 publication Critical patent/JPS6346885B2/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)
  • Polymerisation Methods In General (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP55116756A 1980-08-25 1980-08-25 Magnetic recording medium Granted JPS5740755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55116756A JPS5740755A (en) 1980-08-25 1980-08-25 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55116756A JPS5740755A (en) 1980-08-25 1980-08-25 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS5740755A JPS5740755A (en) 1982-03-06
JPS6346885B2 true JPS6346885B2 (enrdf_load_stackoverflow) 1988-09-19

Family

ID=14694957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55116756A Granted JPS5740755A (en) 1980-08-25 1980-08-25 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5740755A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59191135A (ja) * 1983-04-14 1984-10-30 Tdk Corp 磁気記録媒体及びその製造方法
JPS6045937A (ja) * 1983-08-22 1985-03-12 Tdk Corp 磁気記録媒体

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2100037C3 (de) * 1971-01-02 1980-06-19 Hartmann, Job-Werner, Dr., 6700 Ludwigshafen Verfahren zur Herstellung von magnetischen Aufzeichnungsträgern
JPS503927A (enrdf_load_stackoverflow) * 1973-05-17 1975-01-16
JPS5077433A (enrdf_load_stackoverflow) * 1973-11-13 1975-06-24
JPS5644489B2 (enrdf_load_stackoverflow) * 1974-05-15 1981-10-20
JPS5650336B2 (enrdf_load_stackoverflow) * 1974-06-14 1981-11-28
US4161752A (en) * 1977-06-28 1979-07-17 International Business Machines Corporation High density video disk having two pit depths
JPS5916833B2 (ja) * 1980-08-09 1984-04-18 松下電器産業株式会社 滑性薄膜の形成方法

Also Published As

Publication number Publication date
JPS5740755A (en) 1982-03-06

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