DE69721856D1 - Biaxial orientierter Mehrschichtfilm aus Polyester - Google Patents

Biaxial orientierter Mehrschichtfilm aus Polyester

Info

Publication number
DE69721856D1
DE69721856D1 DE69721856T DE69721856T DE69721856D1 DE 69721856 D1 DE69721856 D1 DE 69721856D1 DE 69721856 T DE69721856 T DE 69721856T DE 69721856 T DE69721856 T DE 69721856T DE 69721856 D1 DE69721856 D1 DE 69721856D1
Authority
DE
Germany
Prior art keywords
polyester
multilayer film
film made
biaxially oriented
oriented multilayer
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.)
Revoked
Application number
DE69721856T
Other languages
English (en)
Other versions
DE69721856T2 (de
Inventor
Masafumi Koseki
Toshifumi Osawa
Ieyasu Kobayashi
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11784402&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69721856(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of DE69721856D1 publication Critical patent/DE69721856D1/de
Application granted granted Critical
Publication of DE69721856T2 publication Critical patent/DE69721856T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/538—Roughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2429/00—Carriers for sound or information
    • B32B2429/02—Records or discs
    • 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
    • Y10S428/91—Product with molecular orientation
    • 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.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/259—Silicic 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, 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.]
DE69721856T 1996-01-26 1997-01-21 Biaxial orientierter Mehrschichtfilm aus Polyester Revoked DE69721856T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1166996 1996-01-26
JP01166996A JP3345247B2 (ja) 1996-01-26 1996-01-26 積層二軸配向ポリエステルフイルム

Publications (2)

Publication Number Publication Date
DE69721856D1 true DE69721856D1 (de) 2003-06-18
DE69721856T2 DE69721856T2 (de) 2004-02-26

Family

ID=11784402

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69721856T Revoked DE69721856T2 (de) 1996-01-26 1997-01-21 Biaxial orientierter Mehrschichtfilm aus Polyester

Country Status (6)

Country Link
US (1) US5919550A (de)
EP (1) EP0786765B1 (de)
JP (1) JP3345247B2 (de)
KR (1) KR100219890B1 (de)
DE (1) DE69721856T2 (de)
TW (1) TW339311B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1134262A (ja) * 1997-07-22 1999-02-09 Teijin Ltd 積層二軸配向ポリエステルフィルム
US6465075B2 (en) 1999-03-04 2002-10-15 Teijin Limited Biaxially oriented laminate polyester film
EP1033244B1 (de) * 1999-03-04 2004-02-11 Teijin Limited Biaxial verstreckte, mehrschichtige Polyesterfolie
EP1162227B1 (de) * 1999-12-28 2008-06-18 Teijin Limited Polyester film rolle
DE10013263A1 (de) * 2000-03-17 2001-09-20 Mitsubishi Polyester Film Gmbh Biaxial orientierte Trägerfolie für magnetische Aufzeichnungen
US7544408B2 (en) * 2006-02-14 2009-06-09 Toray Plastics (America), Inc. Biaxially oriented polyester film for molding process
US8563122B1 (en) * 2006-12-01 2013-10-22 Design Imaging, Llc Thermoplastic architectural composite laminate materials and associated methods of manufacture
TWI400188B (zh) * 2008-12-15 2013-07-01 Benq Materials Corp 自動對位系統及其控制方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0261430B1 (de) * 1986-08-27 1999-11-24 Teijin Limited Biaxial orientierte Polyesterfilme
JPH0659679B2 (ja) * 1989-09-01 1994-08-10 東レ株式会社 二軸配向熱可塑性樹脂フイルム
DE69122154T2 (de) * 1990-04-18 1997-03-06 Teijin Ltd Biaxial ausgerichteter Polyesterfilm für magnetische Aufzeichnungsmedia
US5164439A (en) * 1990-06-07 1992-11-17 Diafoil Company, Ltd. Polyester film for magnetic recording media
JP2581287B2 (ja) * 1990-09-10 1997-02-12 東レ株式会社 二軸配向熱可塑性樹脂フィルム
EP0543600B1 (de) * 1991-11-18 1998-10-21 Toray Industries, Inc. Biaxial orientierter Film aus thermoplastischem Harz
CA2094434A1 (en) * 1992-04-30 1993-10-31 Tomoyuki Kotani Biaxially oriented laminated polyester film for magnetic recording media
EP0572224B2 (de) * 1992-05-27 2004-03-10 Teijin Limited Biaxial orientiertes Polyesterfilmlaminat
DE69330327T2 (de) * 1992-09-29 2002-05-02 Mitsubishi Polyester Film Corp Biaxial ausgerichteter Polyesterfilm für magnetisches Aufzeichnungsmedium
JP2897554B2 (ja) * 1992-10-27 1999-05-31 東レ株式会社 二軸配向フィルム
EP0609060B1 (de) * 1993-01-27 1997-05-07 Teijin Limited Biaxial orientierter Mehrschichtfilm aus Polyester und magnetischer Aufzeichnungsträger mit demselben Basisfilm
DE69424703D1 (de) * 1993-03-16 2000-07-06 Teijin Ltd Magnetband zur Verwendung in Kassetten für digitale Tonbandgeräte und biaxial orientierte Polyesterfilme dafür
JP2954807B2 (ja) * 1993-05-13 1999-09-27 帝人株式会社 二軸配向積層ポリエステルフイルム
JP2925057B2 (ja) * 1993-08-30 1999-07-26 東レ株式会社 二軸配向積層ポリエステルフイルム
JPH07114726A (ja) * 1993-10-19 1995-05-02 Toray Ind Inc 磁気記録媒体用ポリエステルフィルム
JPH07113014A (ja) * 1993-10-19 1995-05-02 Toray Ind Inc 磁気記録媒体用ポリエステルフィルム
JP3275546B2 (ja) * 1994-07-22 2002-04-15 東レ株式会社 積層ポリエステルフィルム
JP3254915B2 (ja) * 1994-07-22 2002-02-12 東レ株式会社 ポリエステルフイルム

Also Published As

Publication number Publication date
TW339311B (en) 1998-09-01
KR970059210A (ko) 1997-08-12
JP3345247B2 (ja) 2002-11-18
US5919550A (en) 1999-07-06
EP0786765B1 (de) 2003-05-14
EP0786765A2 (de) 1997-07-30
JPH09201926A (ja) 1997-08-05
DE69721856T2 (de) 2004-02-26
EP0786765A3 (de) 1999-04-28
KR100219890B1 (ko) 1999-09-01

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation