JPS59203230A - 二軸配向ポリエステルフイルム - Google Patents

二軸配向ポリエステルフイルム

Info

Publication number
JPS59203230A
JPS59203230A JP58077387A JP7738783A JPS59203230A JP S59203230 A JPS59203230 A JP S59203230A JP 58077387 A JP58077387 A JP 58077387A JP 7738783 A JP7738783 A JP 7738783A JP S59203230 A JPS59203230 A JP S59203230A
Authority
JP
Japan
Prior art keywords
film
tape
elongation
polyester film
value
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
JP58077387A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0451335B2 (nl
Inventor
Tomio Katayama
片山　富夫
Sadahiro Kadoya
門屋　貞広
Tomio Adachi
安達　「とみ」男
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP58077387A priority Critical patent/JPS59203230A/ja
Publication of JPS59203230A publication Critical patent/JPS59203230A/ja
Publication of JPH0451335B2 publication Critical patent/JPH0451335B2/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
    • 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

Landscapes

  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP58077387A 1983-05-04 1983-05-04 二軸配向ポリエステルフイルム Granted JPS59203230A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58077387A JPS59203230A (ja) 1983-05-04 1983-05-04 二軸配向ポリエステルフイルム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58077387A JPS59203230A (ja) 1983-05-04 1983-05-04 二軸配向ポリエステルフイルム

Publications (2)

Publication Number Publication Date
JPS59203230A true JPS59203230A (ja) 1984-11-17
JPH0451335B2 JPH0451335B2 (nl) 1992-08-18

Family

ID=13632475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58077387A Granted JPS59203230A (ja) 1983-05-04 1983-05-04 二軸配向ポリエステルフイルム

Country Status (1)

Country Link
JP (1) JPS59203230A (nl)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60150232A (ja) * 1984-01-17 1985-08-07 Sumitomo Chem Co Ltd 垂直磁化用ナフタレ−トポリエステルフイルム
JPS6222235A (ja) * 1985-07-23 1987-01-30 Teijin Ltd 磁気記録用テ−プ
JPS6228918A (ja) * 1985-07-30 1987-02-06 Teijin Ltd 磁気記録テ−プ
JPS6288136A (ja) * 1985-10-14 1987-04-22 Teijin Ltd オ−デイオカセツト用テ−プ
JPS62109216A (ja) * 1985-11-07 1987-05-20 Teijin Ltd 垂直磁気記録用媒体
JPS62117138A (ja) * 1985-10-29 1987-05-28 Teijin Ltd 磁気記録テ−プ
EP0237954A2 (en) * 1986-03-20 1987-09-23 Sony Corporation A magnetic recording medium having an extremely thin total thickness

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53106783A (en) * 1977-03-01 1978-09-18 Teijin Ltd Polyester film with improved travelling property
JPS5415978A (en) * 1977-06-28 1979-02-06 Teijin Ltd Polyester film

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53106783A (en) * 1977-03-01 1978-09-18 Teijin Ltd Polyester film with improved travelling property
JPS5415978A (en) * 1977-06-28 1979-02-06 Teijin Ltd Polyester film

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60150232A (ja) * 1984-01-17 1985-08-07 Sumitomo Chem Co Ltd 垂直磁化用ナフタレ−トポリエステルフイルム
JPS6222235A (ja) * 1985-07-23 1987-01-30 Teijin Ltd 磁気記録用テ−プ
JPS6228918A (ja) * 1985-07-30 1987-02-06 Teijin Ltd 磁気記録テ−プ
JPS6288136A (ja) * 1985-10-14 1987-04-22 Teijin Ltd オ−デイオカセツト用テ−プ
JPS62117138A (ja) * 1985-10-29 1987-05-28 Teijin Ltd 磁気記録テ−プ
JPH0668825B2 (ja) * 1985-10-29 1994-08-31 帝人株式会社 磁気記録テ−プ
JPS62109216A (ja) * 1985-11-07 1987-05-20 Teijin Ltd 垂直磁気記録用媒体
EP0237954A2 (en) * 1986-03-20 1987-09-23 Sony Corporation A magnetic recording medium having an extremely thin total thickness

Also Published As

Publication number Publication date
JPH0451335B2 (nl) 1992-08-18

Similar Documents

Publication Publication Date Title
JPS62117138A (ja) 磁気記録テ−プ
JPH0639538B2 (ja) 二軸配向ポリエステルフィルム
JPS6252365B2 (nl)
JPS59203230A (ja) 二軸配向ポリエステルフイルム
US5458964A (en) Biaxially oriented film comprising organic particles
JPH0679844B2 (ja) 磁気記録媒体用ポリエステルフイルムならびにその製造方法
JPS6318249B2 (nl)
JPH0520664A (ja) 高密度磁気記録媒体
JP2629861B2 (ja) 二軸延伸ポリエチレンテレフタレートフィルム
JP2569853B2 (ja) 二軸配向熱可塑性樹脂フィルムおよびフィルムロール
JPS6243826A (ja) 磁気記録媒体
JPH0680525B2 (ja) 磁気記録テ−プ
JP2646522B2 (ja) 積層フイルム
JP2621541B2 (ja) 磁気記録媒体用ポリエステルフイルム
JPS6025255B2 (ja) ポリエステルフイルム
JP2698229B2 (ja) 磁気記録テープ
JPS5825330B2 (ja) 磁気記録材料用ポリエステルフイルムの製造法
JP3834863B2 (ja) 二軸配向ポリエチレン−２，６−ナフタレートフィルムおよびその製造方法
KR970008257B1 (ko) 고밀도 자기기록매체용 폴리에틸렌테레프탈레이트 필름의 제조방법
JPS59152948A (ja) 配向ポリエステルフイルム
JPH024059B2 (nl)
JPH11302408A (ja) 二軸配向ポリエステルフィルム
JPH0751637B2 (ja) 二軸配向ポリエステルフィルム
JPH06262678A (ja) 二軸配向ポリエステルフィルム
JPH0157414B2 (nl)