JPH0250865B2 - - Google Patents

Info

Publication number
JPH0250865B2
JPH0250865B2 JP58043156A JP4315683A JPH0250865B2 JP H0250865 B2 JPH0250865 B2 JP H0250865B2 JP 58043156 A JP58043156 A JP 58043156A JP 4315683 A JP4315683 A JP 4315683A JP H0250865 B2 JPH0250865 B2 JP H0250865B2
Authority
JP
Japan
Prior art keywords
crystallinity
film
layer
inner layer
surface layer
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
JP58043156A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59168927A (ja
Inventor
Hirobumi Murooka
Hideo Kato
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 JP58043156A priority Critical patent/JPS59168927A/ja
Publication of JPS59168927A publication Critical patent/JPS59168927A/ja
Publication of JPH0250865B2 publication Critical patent/JPH0250865B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/739Magnetic recording media substrates
    • G11B5/73923Organic polymer substrates
    • G11B5/73927Polyester substrates, e.g. polyethylene terephthalate
    • G11B5/73931Two or more layers, at least one layer being polyester

Landscapes

  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP58043156A 1983-03-17 1983-03-17 磁気テ−プ用ポリエステルフイルム Granted JPS59168927A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58043156A JPS59168927A (ja) 1983-03-17 1983-03-17 磁気テ−プ用ポリエステルフイルム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58043156A JPS59168927A (ja) 1983-03-17 1983-03-17 磁気テ−プ用ポリエステルフイルム

Publications (2)

Publication Number Publication Date
JPS59168927A JPS59168927A (ja) 1984-09-22
JPH0250865B2 true JPH0250865B2 (enExample) 1990-11-05

Family

ID=12655991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58043156A Granted JPS59168927A (ja) 1983-03-17 1983-03-17 磁気テ−プ用ポリエステルフイルム

Country Status (1)

Country Link
JP (1) JPS59168927A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI884735B (zh) * 2024-03-20 2025-05-21 南亞塑膠工業股份有限公司 經改質的聚酯材料、聚酯組成物及其製品

Also Published As

Publication number Publication date
JPS59168927A (ja) 1984-09-22

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