JPS6222181B2 - - Google Patents

Info

Publication number
JPS6222181B2
JPS6222181B2 JP57137889A JP13788982A JPS6222181B2 JP S6222181 B2 JPS6222181 B2 JP S6222181B2 JP 57137889 A JP57137889 A JP 57137889A JP 13788982 A JP13788982 A JP 13788982A JP S6222181 B2 JPS6222181 B2 JP S6222181B2
Authority
JP
Japan
Prior art keywords
magnetic
weight
tio
tape
parts
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
JP57137889A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5930242A (ja
Inventor
Kuniharu Fujiki
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP57137889A priority Critical patent/JPS5930242A/ja
Publication of JPS5930242A publication Critical patent/JPS5930242A/ja
Publication of JPS6222181B2 publication Critical patent/JPS6222181B2/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
    • G11B5/7356—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 comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2

Landscapes

  • Lubricants (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP57137889A 1982-08-10 1982-08-10 磁気記録媒体 Granted JPS5930242A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57137889A JPS5930242A (ja) 1982-08-10 1982-08-10 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57137889A JPS5930242A (ja) 1982-08-10 1982-08-10 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5930242A JPS5930242A (ja) 1984-02-17
JPS6222181B2 true JPS6222181B2 (enFirst) 1987-05-16

Family

ID=15209041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57137889A Granted JPS5930242A (ja) 1982-08-10 1982-08-10 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5930242A (enFirst)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6191232U (enFirst) * 1984-11-19 1986-06-13

Also Published As

Publication number Publication date
JPS5930242A (ja) 1984-02-17

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