DE3678133D1 - Polyaethylen naphtalatfolie fuer magnetische aufzeichnungsmedien hoher dichte. - Google Patents

Polyaethylen naphtalatfolie fuer magnetische aufzeichnungsmedien hoher dichte.

Info

Publication number
DE3678133D1
DE3678133D1 DE8686117507T DE3678133T DE3678133D1 DE 3678133 D1 DE3678133 D1 DE 3678133D1 DE 8686117507 T DE8686117507 T DE 8686117507T DE 3678133 T DE3678133 T DE 3678133T DE 3678133 D1 DE3678133 D1 DE 3678133D1
Authority
DE
Germany
Prior art keywords
polyaethylene
naphtalate
film
high density
magnetic recording
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
DE8686117507T
Other languages
English (en)
Inventor
Shigeo Utsumi
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.)
Mitsubishi Polyester Film Corp
Original Assignee
Diafoil Co Ltd
Mitsubishi Polyester Film Corp
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, Mitsubishi Polyester Film Corp filed Critical Diafoil Co Ltd
Application granted granted Critical
Publication of DE3678133D1 publication Critical patent/DE3678133D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
DE8686117507T 1985-12-17 1986-12-16 Polyaethylen naphtalatfolie fuer magnetische aufzeichnungsmedien hoher dichte. Expired - Lifetime DE3678133D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60283843A JPH0625267B2 (ja) 1985-12-17 1985-12-17 高密度磁気記録媒体用ポリエチレン−２，６−ナフタレ−トフイルム

Publications (1)

Publication Number Publication Date
DE3678133D1 true DE3678133D1 (de) 1991-04-18

Family

ID=17670877

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686117507T Expired - Lifetime DE3678133D1 (de) 1985-12-17 1986-12-16 Polyaethylen naphtalatfolie fuer magnetische aufzeichnungsmedien hoher dichte.

Country Status (5)

Country Link
US (1) US4876137A (de)
EP (1) EP0229346B1 (de)
JP (1) JPH0625267B2 (de)
KR (1) KR910009217B1 (de)
DE (1) DE3678133D1 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62164733A (ja) * 1986-01-14 1987-07-21 Teijin Ltd 磁気記録用二軸配向ポリエステルフイルム
JPS6432423A (en) * 1987-07-29 1989-02-02 Diafoil Co Ltd Floppy disk
JPH01312726A (ja) * 1988-06-13 1989-12-18 Diafoil Co Ltd 磁気記録媒体用ポリエステルフィルム
FR2640983B1 (de) * 1988-12-28 1992-09-25 Rhone Poulenc Films
US5051292A (en) * 1989-02-01 1991-09-24 Teijin Limited Biaxially oriented film of polyethylene-2,6-naphthalate
EP0467243A3 (en) * 1990-07-16 1992-08-19 Diafoil Company, Limited Novel high strength polyester film and process for preparing the same
JP2953060B2 (ja) * 1990-12-28 1999-09-27 三菱化学ポリエステルフィルム株式会社 高密度磁気記録媒体
JP2675217B2 (ja) * 1991-10-31 1997-11-12 帝人株式会社 ポリエチレン―２，６―ナフタレートフィルム
JP2970001B2 (ja) * 1991-03-06 1999-11-02 三菱化学ポリエステルフィルム株式会社 磁気テープ用ポリエステルフィルム
JP2771356B2 (ja) * 1991-03-14 1998-07-02 帝人株式会社 ポリエチレン―２，６―ナフタレートフィルム
US5665454A (en) * 1991-03-22 1997-09-09 Teijin Limited Biaxially oriented polyethylene-2,6-naphthalate film and magnetic tape formed therefrom
JP2585476B2 (ja) * 1991-03-22 1997-02-26 帝人株式会社 ポリエチレン２，６−ナフタレートフイルム
JPH04308726A (ja) * 1991-04-05 1992-10-30 Toyobo Co Ltd 磁気記録媒体用２軸配向ポリエステルフィルム
JPH058357A (ja) * 1991-07-04 1993-01-19 Diafoil Co Ltd 高密度磁気デイスク用ポリエステルフイルム
JP3052447B2 (ja) * 1991-07-12 2000-06-12 三菱化学ポリエステルフィルム株式会社 高密度磁気記録媒体用ポリエチレンナフタレートフィルム
FR2682915B1 (fr) * 1991-10-24 1997-09-19 Rhone Poulenc Films Films en polyester semi-cristallins orientes, leur procede d'obtention et leur emploi comme support de revetement magnetique
JP2675216B2 (ja) * 1991-10-31 1997-11-12 帝人株式会社 ポリエチレン―２，６―ナフタレートフィルム
JP2585494B2 (ja) * 1991-11-13 1997-02-26 帝人株式会社 ポリエチレン―２，６―ナフタレートフィルム
CA2083976A1 (en) * 1991-12-04 1993-06-05 Shinichi Kinoshita Optical tape
JPH05189747A (ja) * 1992-01-16 1993-07-30 Diafoil Co Ltd デジタル・コンパクト・カセット用ベースフィルム
EP0567279B1 (de) * 1992-04-20 1996-12-18 Teijin Limited Laminierter Polyesterfilm und diesen Film als Substrat verwendender magnetischer Aufzeichnungsträger
JP2989080B2 (ja) * 1992-12-17 1999-12-13 帝人株式会社 磁気記録媒体用積層ポリエステルフイルム
JP2732997B2 (ja) * 1993-01-29 1998-03-30 帝人株式会社 二軸配向ポリエチレン―２，６―ナフタレートフィルム
DE69327451T2 (de) * 1993-02-15 2000-09-07 Teijin Ltd Magnetisches Aufzeichnungsband aus biaxial gerecktem Polyethylen-2,6-naphtalindicarboxylat Film
EP0615160A1 (de) * 1993-03-11 1994-09-14 Fuji Photo Film Co., Ltd. Photographisches Silberhalogenidmaterial
JP3083740B2 (ja) * 1995-09-07 2000-09-04 帝人株式会社 写真感光材料用ポリエチレン―２，６―ナフタレートフイルムの製造方法
DE69707981T2 (de) * 1996-07-01 2002-04-04 Fuji Photo Film Co Ltd Plattenförmiges magnetisches Aufzeichnungsmedium
US5968627A (en) * 1998-01-15 1999-10-19 Flextor, Inc. Metal foil disk for high areal density recording in environments of high mechanical shock
JP3813929B2 (ja) * 2000-12-11 2006-08-23 帝人株式会社 二軸配向ポリエステルフィルムの製造法
WO2003022575A1 (en) 2001-09-11 2003-03-20 Dupont Teijin Films U.S. Limited Partnership Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronic devices
EP1473318A4 (de) * 2002-01-10 2007-06-27 Toray Industries Biaxial orientierte thermoplastharzfolie
US7064897B2 (en) * 2002-12-31 2006-06-20 3M Innovative Properties Company Optical polarizing films with designed color shifts
KR100499220B1 (ko) 2003-06-30 2005-07-01 주식회사 효성 방사성이 우수한 고강력 폴리에틸렌-2,6-나프탈레이트섬유 및 이의 제조방법
FR2944227B1 (fr) 2009-04-09 2013-08-16 Soc Tech Michelin Stratifie multicouches pour bandage pneumatique
FR2944230B1 (fr) 2009-04-09 2011-04-08 Michelin Soc Tech Pneumatique a armatures de carcasse radiale
FR2964905A1 (fr) 2010-09-21 2012-03-23 Michelin Soc Tech Pneumatique comportant une armature de protection
FR2964907B1 (fr) 2010-09-21 2012-09-28 Michelin Soc Tech Pneumatique comportant une armature de protection
FR2964906B1 (fr) 2010-09-21 2012-09-28 Michelin Soc Tech Pneumatique comportant une armature de protection
FR2966082B1 (fr) 2010-10-13 2012-10-26 Michelin Soc Tech Pneumatique a armature de carcasse radiale pour vehicule de tourisme.
FR2967611B1 (fr) 2010-10-14 2015-04-17 Michelin Soc Tech Pneumatique dont les flancs sont renforces par un film de polymere thermoplastique
FR2987310B1 (fr) 2012-02-29 2014-03-21 Michelin & Cie Stratifie multicouche utilisable pour le renforcement d'une ceinture de pneumatique
FR3013622B1 (fr) 2013-11-28 2016-06-24 Michelin & Cie Procede de traitement d'un element de renfort a section aplatie
FR3013625B1 (fr) 2013-11-28 2016-06-24 Michelin & Cie Element de renfort a section aplatie
KR101859485B1 (ko) * 2015-10-02 2018-05-18 유니띠까 가부시키가이샤 폴리에스테르 필름, 적층체 및 폴리에스테르 필름의 제조 방법

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE573836A (de) * 1957-12-12
US3461199A (en) * 1966-05-03 1969-08-12 Du Pont Process for improving dimensional stability of tensilized polyester film
JPS4829541B1 (de) * 1969-06-13 1973-09-11
JPS5322498B2 (de) * 1971-08-18 1978-07-08
GB1430291A (en) * 1973-04-17 1976-03-31 Teijin Ltd Process for the preparation of a biaxially oriented polyester film
US4198458A (en) * 1973-05-11 1980-04-15 Teijin Limited Laminate polyester films
GB1476407A (en) * 1973-08-29 1977-06-16 Teijin Ltd Biaxially oriented film
JPS5051584A (de) * 1973-09-10 1975-05-08
US4042569A (en) * 1974-08-05 1977-08-16 E. I. Du Pont De Nemours And Company Heat-setting process for polyester film
JPS5434207A (en) * 1977-08-23 1979-03-13 Teijin Ltd Polyester film
JPS54137076A (en) * 1978-04-17 1979-10-24 Unitika Ltd Manufacturing of biaxially oriented thermoplastic polyester film
JPS5522915A (en) * 1978-08-07 1980-02-19 Toray Ind Inc Manufacture of polyester film
JPS5527211A (en) * 1978-08-15 1980-02-27 Toray Ind Inc Producing process of polyester film
JPS55105826A (en) * 1979-02-01 1980-08-13 Tdk Corp Base for magnetic recording tape
JPS563430A (en) * 1979-06-20 1981-01-14 Diafoil Co Ltd Biaxially oriented polyester film for magnetic tape
JPS5619012A (en) * 1979-07-25 1981-02-23 Fujitsu Ltd Photocoupler
JPS5683841A (en) * 1979-12-11 1981-07-08 Toray Ind Inc Base film for magnetic recording
JPS6056101B2 (ja) * 1980-09-25 1985-12-09 東レ株式会社 ポリエステルフイルムの製造方法
JPS5764516A (en) * 1980-10-07 1982-04-19 Teijin Ltd Smothened polyester film
JPS5766936A (en) * 1980-10-15 1982-04-23 Teijin Ltd Polyester film
GB2091631B (en) * 1981-01-05 1984-04-18 Toray Industries Base film for magnetic recording tape
EP0061769B1 (de) * 1981-03-30 1987-04-01 Teijin Limited Magnetisches Aufzeichnungsmedium
JPS57165252A (en) * 1981-04-06 1982-10-12 Fuji Photo Film Co Ltd Antistatic plastic film
US4497865A (en) * 1982-02-17 1985-02-05 Toray Industries, Inc. Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom
JPS5971129A (ja) * 1982-10-18 1984-04-21 Fuji Photo Film Co Ltd 磁気記録媒体
JPS59107424A (ja) * 1982-12-08 1984-06-21 Fuji Photo Film Co Ltd 磁気記録媒体の製法
JPS59127730A (ja) * 1983-01-07 1984-07-23 Toray Ind Inc ２軸配向ポリエチレンナフタレ−トフイルム
JPS59140028A (ja) * 1983-01-18 1984-08-11 Diafoil Co Ltd ポリエステルフイルムの製造方法
US4539389A (en) * 1983-03-30 1985-09-03 Teijin Limited Biaxially oriented polyester film
JPS59178224A (ja) * 1983-03-30 1984-10-09 Teijin Ltd 延伸ポリエステルフイルム
JPS59195322A (ja) * 1983-04-20 1984-11-06 Toray Ind Inc 磁気デイスク
FR2548958B1 (fr) * 1983-07-13 1986-03-21 Rhone Poulenc Films Films polyesters composites
US4590119A (en) * 1983-07-15 1986-05-20 Toray Industries, Inc. Polyester film and magnetic recording medium therefrom
US4508782A (en) * 1983-12-19 1985-04-02 Toray Industries, Inc. Base film for magnetic recording tape with F-5 values of 9-15 Kg/mm2
JPS60202530A (ja) * 1984-03-27 1985-10-14 Diafoil Co Ltd 高密度磁気記録体用強力化複合フイルム
JPS60219627A (ja) * 1984-04-17 1985-11-02 Fuji Photo Film Co Ltd 磁気記録媒体
JPS62113529A (ja) * 1985-11-13 1987-05-25 Diafoil Co Ltd ポリエチレンナフタレ−トフイルム

Also Published As

Publication number Publication date
KR870005780A (ko) 1987-07-07
KR910009217B1 (ko) 1991-11-05
US4876137A (en) 1989-10-24
EP0229346B1 (de) 1991-03-13
JPH0625267B2 (ja) 1994-04-06
EP0229346A1 (de) 1987-07-22
JPS62143938A (ja) 1987-06-27

Similar Documents

Publication Publication Date Title
DE3678133D1 (de) Polyaethylen naphtalatfolie fuer magnetische aufzeichnungsmedien hoher dichte.
DE3673565D1 (de) Polyesterfilm fuer magnetische aufzeichnungstraeger.
DE3677245D1 (de) Polyestersubstratfilm fuer magnetische aufzeichnungstraeger.
DE3476596D1 (en) Thin film magnetic recording media
DE3671122D1 (de) Informationsaufzeichnungsmedium.
DE68919130D1 (de) Polyesterfilm für magnetische Aufzeichnungsträger.
DE3677914D1 (de) Polyaethylen-2,6-naphthalatfolie fuer magnetische aufzeichnungsbaender.
KR870003475A (ko) 광학정보기록매체
FR2510291B1 (fr) Support d'enregistrement magnetique
DE3680487D1 (de) Material fuer datenaufzeichnung.
DE3480749D1 (de) Magnetisches aufzeichnungsmedium.
DE3780347D1 (de) Aufzeichnungstraeger mit mehreren schichten fuer vertikale magnetische aufzeichnung.
DE3382633T2 (de) Polyesterfilm fuer ein magnetisches aufzeichnungsmedium.
NL190296C (nl) Magnetisch registratiemedium.
KR890015208A (ko) 고밀도 종방향 자기 기록용 박막 매체
KR860002007U (ko) 기록 매체 수용 카세트
FR2517099B1 (fr) Support d'enregistrement magnetique
KR870013506U (ko) 정보기록 매체용 포장부재
EP0218263A3 (en) Laser information recording medium having an improved recording layer
DE3575357D1 (de) Magnetisches aufzeichnungsmedium.
FR2538593B1 (fr) Support d'enregistrement magnetique
DE3484322D1 (de) Magnetisches aufzeichnungsmedium.
DE3861253D1 (de) Film fuer magnetisches aufzeichnungsmedium mit hoher dichte.
NL191422C (nl) Magnetisch registreermedium.
NL192702B (nl) Magnetisch registratiemedium.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DIAFOIL HOECHST CO., LTD., TOKIO/TOKYO, JP