JPH0479050B2 - - Google Patents

Info

Publication number
JPH0479050B2
JPH0479050B2 JP58007691A JP769183A JPH0479050B2 JP H0479050 B2 JPH0479050 B2 JP H0479050B2 JP 58007691 A JP58007691 A JP 58007691A JP 769183 A JP769183 A JP 769183A JP H0479050 B2 JPH0479050 B2 JP H0479050B2
Authority
JP
Japan
Prior art keywords
magnetic recording
hub
tape
hours
shrinkage rate
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
JP58007691A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59132421A (ja
Inventor
Chiaki Mizuno
Noburo Hibino
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP58007691A priority Critical patent/JPS59132421A/ja
Publication of JPS59132421A publication Critical patent/JPS59132421A/ja
Publication of JPH0479050B2 publication Critical patent/JPH0479050B2/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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • G11B5/73935—Polyester substrates, e.g. polyethylene terephthalate characterised by roughness or surface features, e.g. by added particles
    • 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

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP58007691A 1983-01-20 1983-01-20 磁気記録媒体 Granted JPS59132421A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58007691A JPS59132421A (ja) 1983-01-20 1983-01-20 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58007691A JPS59132421A (ja) 1983-01-20 1983-01-20 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS59132421A JPS59132421A (ja) 1984-07-30
JPH0479050B2 true JPH0479050B2 (cs) 1992-12-14

Family

ID=11672798

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58007691A Granted JPS59132421A (ja) 1983-01-20 1983-01-20 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS59132421A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61104326A (ja) * 1984-10-23 1986-05-22 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0766520B2 (ja) * 1985-01-08 1995-07-19 富士写真フイルム株式会社 磁気記録媒体
JPH0547140A (ja) * 1991-08-10 1993-02-26 Hitachi Maxell Ltd 磁気テ−プカ−トリツジ
JPH09120523A (ja) * 1996-06-17 1997-05-06 Fuji Photo Film Co Ltd ビデオテープ
JP4190447B2 (ja) * 2004-03-26 2008-12-03 富士フイルム株式会社 リーダーテープおよびこれを用いた磁気テープカートリッジ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5529501B2 (cs) * 1973-12-29 1980-08-04
JPS6022616B2 (ja) * 1977-02-02 1985-06-03 帝人株式会社 寸法安定性の優れたポリエステルフイルムの製造方法
JPS5897B2 (ja) * 1977-08-23 1983-01-05 帝人株式会社 ポリエステルフイルム
JPS54159203A (en) * 1978-06-07 1979-12-15 Fuji Photo Film Co Ltd Audio magnetic recording tape
JPS57150130A (en) * 1981-03-12 1982-09-16 Fuji Photo Film Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
JPS59132421A (ja) 1984-07-30

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