MX9302277A - Pelicula de poliester para cinta de grabacion magnetica de alta densidad. - Google Patents

Pelicula de poliester para cinta de grabacion magnetica de alta densidad.

Info

Publication number
MX9302277A
MX9302277A MX9302277A MX9302277A MX9302277A MX 9302277 A MX9302277 A MX 9302277A MX 9302277 A MX9302277 A MX 9302277A MX 9302277 A MX9302277 A MX 9302277A MX 9302277 A MX9302277 A MX 9302277A
Authority
MX
Mexico
Prior art keywords
high density
magnetic recording
polyester film
recording tape
density magnetic
Prior art date
Application number
MX9302277A
Other languages
English (en)
Inventor
Shigeo Utsumi
Masashi Inagaki
Yuko Watanuki
Original Assignee
Diafoil Hoeschst Company Limit
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
Priority claimed from JP10132792A external-priority patent/JPH05128491A/ja
Application filed by Diafoil Hoeschst Company Limit filed Critical Diafoil Hoeschst Company Limit
Publication of MX9302277A publication Critical patent/MX9302277A/es

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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • 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
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • G11B5/73931—Two or more layers, at least one layer being polyester

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

La presente invención se refiere a una película de poliéster para una cinta de registro, magnética, de alta densidad.
MX9302277A 1992-04-21 1993-04-20 Pelicula de poliester para cinta de grabacion magnetica de alta densidad. MX9302277A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10132792A JPH05128491A (ja) 1991-07-18 1992-04-21 高密度磁気テープ用ポリエステルフイルム

Publications (1)

Publication Number Publication Date
MX9302277A true MX9302277A (es) 1994-03-31

Family

ID=14297735

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9302277A MX9302277A (es) 1992-04-21 1993-04-20 Pelicula de poliester para cinta de grabacion magnetica de alta densidad.

Country Status (4)

Country Link
EP (1) EP0567084A1 (es)
KR (1) KR930021692A (es)
CA (1) CA2094432A1 (es)
MX (1) MX9302277A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990065015A (ko) * 1998-01-03 1999-08-05 한형수 투명성이 우수한 이축배향 폴리에스테르 필름
KR100502258B1 (ko) * 1998-12-28 2005-10-26 주식회사 코오롱 자기기록매체용 폴리에스터 필름_

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3610167A1 (de) * 1986-03-26 1987-10-01 Hoechst Ag Mehrschichtige polyesterfolie fuer magnetische informationstraeger
JPS6343931A (ja) * 1986-08-12 1988-02-25 Diafoil Co Ltd 磁気記録媒体用ポリエステルフイルム
CA2073276A1 (en) * 1991-07-18 1993-01-19 Utsumi Shigeo Polyester film for high-density magnetic tape

Also Published As

Publication number Publication date
KR930021692A (ko) 1993-11-22
CA2094432A1 (en) 1993-10-22
EP0567084A1 (en) 1993-10-27

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