JPS61209128A - 磁気記録媒体用二軸延伸ポリエステルフイルム - Google Patents

磁気記録媒体用二軸延伸ポリエステルフイルム

Info

Publication number
JPS61209128A
JPS61209128A JP60048284A JP4828485A JPS61209128A JP S61209128 A JPS61209128 A JP S61209128A JP 60048284 A JP60048284 A JP 60048284A JP 4828485 A JP4828485 A JP 4828485A JP S61209128 A JPS61209128 A JP S61209128A
Authority
JP
Japan
Prior art keywords
film
particles
polyester
refractive index
calcium
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
JP60048284A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0358580B2 (enFirst
Inventor
Shigeo Uchiumi
滋夫 内海
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.)
Diafoil Co Ltd
Original Assignee
Diafoil 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 Diafoil Co Ltd filed Critical Diafoil Co Ltd
Priority to JP60048284A priority Critical patent/JPS61209128A/ja
Publication of JPS61209128A publication Critical patent/JPS61209128A/ja
Publication of JPH0358580B2 publication Critical patent/JPH0358580B2/ja
Granted legal-status Critical Current

Links

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)
JP60048284A 1985-03-13 1985-03-13 磁気記録媒体用二軸延伸ポリエステルフイルム Granted JPS61209128A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60048284A JPS61209128A (ja) 1985-03-13 1985-03-13 磁気記録媒体用二軸延伸ポリエステルフイルム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60048284A JPS61209128A (ja) 1985-03-13 1985-03-13 磁気記録媒体用二軸延伸ポリエステルフイルム

Publications (2)

Publication Number Publication Date
JPS61209128A true JPS61209128A (ja) 1986-09-17
JPH0358580B2 JPH0358580B2 (enFirst) 1991-09-05

Family

ID=12799134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60048284A Granted JPS61209128A (ja) 1985-03-13 1985-03-13 磁気記録媒体用二軸延伸ポリエステルフイルム

Country Status (1)

Country Link
JP (1) JPS61209128A (enFirst)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988008437A1 (fr) * 1987-05-01 1988-11-03 Toray Industries, Inc. Film en polyester et support d'enregistrement magnetique
JPH01193327A (ja) * 1988-01-28 1989-08-03 Toray Ind Inc ポリエステルフィルム
JPH01232021A (ja) * 1987-11-20 1989-09-18 Toray Ind Inc 二軸配向ポリエステルフイルム
JP2011190387A (ja) * 2010-03-16 2011-09-29 Toray Ind Inc ポリエステル組成物およびそれを用いたフィルム
WO2020050351A1 (ja) * 2018-09-06 2020-03-12 ユニチカ株式会社 ポリエステルフィルムおよびその製造方法
JP6934268B1 (ja) * 2020-03-10 2021-09-15 ユニチカ株式会社 ポリエステルフィルムおよびその製造方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988008437A1 (fr) * 1987-05-01 1988-11-03 Toray Industries, Inc. Film en polyester et support d'enregistrement magnetique
JPH01232021A (ja) * 1987-11-20 1989-09-18 Toray Ind Inc 二軸配向ポリエステルフイルム
JPH01193327A (ja) * 1988-01-28 1989-08-03 Toray Ind Inc ポリエステルフィルム
JP2011190387A (ja) * 2010-03-16 2011-09-29 Toray Ind Inc ポリエステル組成物およびそれを用いたフィルム
WO2020050351A1 (ja) * 2018-09-06 2020-03-12 ユニチカ株式会社 ポリエステルフィルムおよびその製造方法
JP2020041122A (ja) * 2018-09-06 2020-03-19 ユニチカ株式会社 ポリエステルフィルムおよびその製造方法
CN112654665A (zh) * 2018-09-06 2021-04-13 尤尼吉可株式会社 聚酯膜及其制造方法
US12421387B2 (en) 2018-09-06 2025-09-23 Unitika Ltd. Polyester film and method for producing same
JP6934268B1 (ja) * 2020-03-10 2021-09-15 ユニチカ株式会社 ポリエステルフィルムおよびその製造方法
US12486368B2 (en) 2020-03-10 2025-12-02 Unitika Ltd. Polyester film and method for producing same

Also Published As

Publication number Publication date
JPH0358580B2 (enFirst) 1991-09-05

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees