JPS59207424A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPS59207424A
JPS59207424A JP58083359A JP8335983A JPS59207424A JP S59207424 A JPS59207424 A JP S59207424A JP 58083359 A JP58083359 A JP 58083359A JP 8335983 A JP8335983 A JP 8335983A JP S59207424 A JPS59207424 A JP S59207424A
Authority
JP
Japan
Prior art keywords
magnetic recording
metal thin
thin film
recording medium
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.)
Granted
Application number
JP58083359A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0459687B2 (cg-RX-API-DMAC7.html
Inventor
Koichi Shinohara
紘一 篠原
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 JP58083359A priority Critical patent/JPS59207424A/ja
Publication of JPS59207424A publication Critical patent/JPS59207424A/ja
Publication of JPH0459687B2 publication Critical patent/JPH0459687B2/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
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording 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
    • 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
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • 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
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • G11B5/73929—Polyester substrates, e.g. polyethylene terephthalate comprising naphthalene ring compounds, e.g. polyethylene naphthalate substrates
    • 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
    • G11B5/73937—Substrates having an organic polymer comprising a ring structure

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP58083359A 1983-05-12 1983-05-12 磁気記録媒体 Granted JPS59207424A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58083359A JPS59207424A (ja) 1983-05-12 1983-05-12 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58083359A JPS59207424A (ja) 1983-05-12 1983-05-12 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS59207424A true JPS59207424A (ja) 1984-11-24
JPH0459687B2 JPH0459687B2 (cg-RX-API-DMAC7.html) 1992-09-24

Family

ID=13800231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58083359A Granted JPS59207424A (ja) 1983-05-12 1983-05-12 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS59207424A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
JPH0459687B2 (cg-RX-API-DMAC7.html) 1992-09-24

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