MX9302422A - Pelicula de poliester laminada, orientada biaxialmente, para medios de registro o grabacion magneticos. - Google Patents

Pelicula de poliester laminada, orientada biaxialmente, para medios de registro o grabacion magneticos.

Info

Publication number
MX9302422A
MX9302422A MX9302422A MX9302422A MX9302422A MX 9302422 A MX9302422 A MX 9302422A MX 9302422 A MX9302422 A MX 9302422A MX 9302422 A MX9302422 A MX 9302422A MX 9302422 A MX9302422 A MX 9302422A
Authority
MX
Mexico
Prior art keywords
polyester film
laminated polyester
oriented laminated
biaxial
magnetic recording
Prior art date
Application number
MX9302422A
Other languages
English (en)
Inventor
Tomoyuki Kotani
Kazuo Endo
Original Assignee
Diafoil Hoechst 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 Hoechst Co Ltd filed Critical Diafoil Hoechst Co Ltd
Publication of MX9302422A publication Critical patent/MX9302422A/es

Links

Classifications

    • 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
    • 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
    • B32B27/06—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
    • 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
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/244—All polymers belonging to those covered by group B32B27/36
    • 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.]
    • Y10T428/24355—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
    • Y10T428/24—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.]
    • Y10T428/24372—Particulate matter
    • 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
    • Y10T428/24—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
    • Y10T428/2495—Thickness [relative or absolute]
    • 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
    • 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
    • Y10T428/256—Heavy metal or aluminum 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
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

Esta invención se refiere a una película de poliéster laminada, orientada biaxialmente, para un medio de registro magnético, la cual tienen excelentes propiedades de recorrido o funcionamiento, de recortado en tiras, de uniformidad superficial y de rendimiento o ejecución en cuanto al costo, y en la cual una cinta magnética producida a partir de la misma, muestra un número muy pequeño de raspaduras o rasguños y una cantidad muy pequeña de polvo de abrasión.
MX9302422A 1992-04-30 1993-04-26 Pelicula de poliester laminada, orientada biaxialmente, para medios de registro o grabacion magneticos. MX9302422A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11182392 1992-04-30

Publications (1)

Publication Number Publication Date
MX9302422A true MX9302422A (es) 1994-03-31

Family

ID=14571058

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9302422A MX9302422A (es) 1992-04-30 1993-04-26 Pelicula de poliester laminada, orientada biaxialmente, para medios de registro o grabacion magneticos.

Country Status (6)

Country Link
US (1) US5429855A (es)
EP (1) EP0567973A1 (es)
JP (1) JPH0639982A (es)
KR (1) KR100203821B1 (es)
CA (1) CA2094434A1 (es)
MX (1) MX9302422A (es)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0616320B1 (en) * 1993-03-16 2000-05-31 Teijin Limited Magnetic tape for use in cassette for digital audio tape recorder and biaxially oriented polyester base film therefor
US5362571A (en) * 1994-03-16 1994-11-08 Teijin Limited Magnetic tape for use in cassette for digital audio tape recorder and biaxially oriented polyester base film therefor
JPH06313051A (ja) * 1993-04-30 1994-11-08 Toray Ind Inc 二軸配向フィルム
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
US5580652A (en) * 1994-03-22 1996-12-03 Skc Limited Biaxially oriented polyester film containing an aluminum hydrate
JP2757789B2 (ja) * 1994-10-05 1998-05-25 村田機械株式会社 ドビー機
US5529832A (en) * 1994-11-10 1996-06-25 Teijin Limited Biaxially oriented laminated polyester film
US5718971A (en) * 1994-12-22 1998-02-17 Skc Limited Polyester film comprising alumina and silane coupling agent
US5976668A (en) * 1995-02-28 1999-11-02 Sony Corporation Base film for magnetic recording medium and magnetic recording medium using same
JP3345247B2 (ja) * 1996-01-26 2002-11-18 帝人株式会社 積層二軸配向ポリエステルフイルム
JP3464333B2 (ja) * 1996-03-07 2003-11-10 帝人株式会社 磁気記録媒体用ポリエステルフイルム
CN1106262C (zh) * 1997-12-18 2003-04-23 东丽株式会社 聚酯薄膜的制备方法
KR100262347B1 (ko) * 1998-02-27 2000-09-01 장용균 폴리에스테르필름의제조방법
KR100262338B1 (ko) * 1998-02-27 2000-09-01 장용균 폴리에스테르 필름의 제조방법
US6465075B2 (en) 1999-03-04 2002-10-15 Teijin Limited Biaxially oriented laminate polyester film
DE60008153T2 (de) * 1999-03-04 2004-12-09 Teijin Ltd. Biaxial verstreckte, mehrschichtige Polyesterfolie
KR20020047485A (ko) * 2000-12-13 2002-06-22 장용균 적층 폴리에스테르 필름
DE10119416A1 (de) * 2001-04-20 2002-10-24 Bayer Ag Mehrschichtsysteme enthaltend antistatische Formmassen
US6881503B2 (en) * 2002-06-28 2005-04-19 Seagate Technology Llc Perpendicular magnetic recording media with laminated magnetic layer structure
US6879109B2 (en) * 2003-05-15 2005-04-12 Axcelis Technologies, Inc. Thin magnetron structures for plasma generation in ion implantation systems
JP2005339701A (ja) * 2004-05-28 2005-12-08 Fuji Photo Film Co Ltd 情報記録テープ
JP6174453B2 (ja) * 2013-10-28 2017-08-02 帝人フィルムソリューション株式会社 白色ポリエステルフィルム
EP3244988A4 (en) * 2015-01-14 2018-09-05 Imerys USA, Inc. A process for treating a sulfurous fluid to form gypsum and magnesium carbonate
JP6779755B2 (ja) * 2015-11-26 2020-11-04 東洋紡フイルムソリューション株式会社 金属板貼合せ成形加工用着色二軸延伸ポリエステルフィルム
US11934226B2 (en) 2019-02-08 2024-03-19 Toyobo Co., Ltd. Foldable display and portable terminal device
WO2020162119A1 (ja) 2019-02-08 2020-08-13 東洋紡株式会社 ポリエステルフィルムとその用途
KR20220016132A (ko) * 2019-05-28 2022-02-08 도요보 가부시키가이샤 폴리에스테르 필름, 적층 필름 및 그 용도
US11926720B2 (en) 2019-05-28 2024-03-12 Toyobo Co., Ltd. Polyester film and application therefor
JP7435448B2 (ja) 2019-05-28 2024-02-21 東洋紡株式会社 積層フィルムとその用途
JP2021038388A (ja) * 2019-09-02 2021-03-11 東洋紡フイルムソリューション株式会社 二軸配向ポリエステルフィルム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375494A (en) * 1980-03-12 1983-03-01 Imperial Chemical Industries Plc Polyester film composites
DE3313923A1 (de) * 1983-04-16 1984-10-18 Hoechst Ag, 6230 Frankfurt Polyesterrohstoff, daraus hergestellte formkoerper, vorzugsweise eine folie, sowie verwendung der formkoerper
DE3414347A1 (de) * 1984-04-16 1985-10-24 Hoechst Ag, 6230 Frankfurt Traegerfolie fuer magnetische informationstraeger
DE3414309A1 (de) * 1984-04-16 1985-10-24 Hoechst Ag, 6230 Frankfurt Kratzerfreie polyestermehrschichtfolie
GB2182335B (en) * 1985-10-21 1989-04-19 Diafoil Co Ltd Polyester compositions and process of preparing polyester films from them
JPS62207356A (ja) * 1986-03-07 1987-09-11 Nippon Shokubai Kagaku Kogyo Co Ltd 滑り性改良方法
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
JPS6416856A (en) * 1987-07-13 1989-01-20 Matsushita Electric Works Ltd Phenolic resin forming material
US5188891A (en) * 1987-12-25 1993-02-23 Diafoil Company, Limited Magnetic recording medium comprising a polyester film substrate, a magnetic coating and a specified back coat layer
JPH0755533B2 (ja) * 1988-06-04 1995-06-14 ダイアホイルヘキスト株式会社 磁気記録媒体用ポリエステルフィルム
DE345644T1 (de) * 1988-06-04 1991-10-17 Diafoil Co., Ltd., Tokio/Tokyo Polyesterfilm fuer magnetische aufzeichnungstraeger.
EP0679508B1 (en) * 1988-06-08 1999-12-29 Toray Industries, Inc. Biaxially oriented laminated film
JPH0661918B2 (ja) * 1989-05-30 1994-08-17 ダイアホイルヘキスト株式会社 積層ポリエステルフィルム
JPH0778133B2 (ja) * 1989-12-14 1995-08-23 ダイアホイルヘキスト株式会社 二軸配向ポリエステルフィルム
US5164439A (en) * 1990-06-07 1992-11-17 Diafoil Company, Ltd. Polyester film for magnetic recording media
JP2530747B2 (ja) * 1990-07-06 1996-09-04 東レ株式会社 二軸配向積層ポリエステルフイルム
JPH04105935A (ja) * 1990-08-27 1992-04-07 Toray Ind Inc 二軸配向熱可塑性樹脂フィルム
EP0488603B1 (en) * 1990-11-26 2000-01-19 Teijin Limited Biaxially oriented polyester film

Also Published As

Publication number Publication date
JPH0639982A (ja) 1994-02-15
EP0567973A1 (en) 1993-11-03
US5429855A (en) 1995-07-04
CA2094434A1 (en) 1993-10-31
KR100203821B1 (en) 1999-06-15
KR940005724A (ko) 1994-03-22

Similar Documents

Publication Publication Date Title
MX9302422A (es) Pelicula de poliester laminada, orientada biaxialmente, para medios de registro o grabacion magneticos.
DE69933740D1 (de) Informationsträger und Verfahren zur Herstellung
DE69317376D1 (de) Laminierter Polyesterfilm für magnetisches Aufzeichnungsmedium
ATE312891T1 (de) Klebeband mit glattgeschliffener trägeroberfläche
KR960025368A (ko) 광학 기록 매체
DE69723069D1 (de) Dünnfilmmagnetaufzeichnungsköpfe sowie herstellungssysteme und -verfahren
TW200719342A (en) Optical information recording media and silver alloy reflective films for the same
KR950031507A (ko) 이축 배향 적층 폴리에스테르 필름
EP0943428A4 (en) BIAXIALLY ORIENTED POLYESTER FILM
DE60119718D1 (de) Biaxial orientierter, mehrlagiger polyesterfilm sowie magnetisches aufzeichnungsmedium
EP1469466A3 (en) Optical recording medium-producing sheet and optical recording medium
DE69818036D1 (de) Biaxial orientierter polyesterfilm für magnetische aufzeichnungsmedien
ATE333989T1 (de) Laminierung für spezialfleischverpackung
ES2072291T3 (es) Metodo de registro termomagnetico de informacion y de lectura de informacion almacenada, y tambien un elemento de registro adecuado para uso en este metodo.
DE69205662D1 (de) Laminierter Polyesterfilm für magnetischen Aufzeichnungsträger.
TW200623110A (en) Optical information recording medium and method for producing the same
EP0504416A4 (en) Polyester film for magnetic recording media
DE69330327T2 (de) Biaxial ausgerichteter Polyesterfilm für magnetisches Aufzeichnungsmedium
DE69207519D1 (de) Laminierter Polyesterfilm für magnetisches Aufzeichnungsmedium
EP1094454A4 (en) OPTICAL INFORMATION RECORDING MEDIUM
MX9203872A (es) Pelicula de capas multiples de poliester.
EP1369229A4 (en) LAMINATED POLYESTER FOIL AND MAGNETIC RECORDING MEDIUM
DE69512253D1 (de) Mit differentialgeschwindigkeit arbeitende tiefdruckbeschichtigungsvorrichtung für magnetisierbare schichten bei der herstellung von magnetische aufzeichnungstrager
MX9300191A (es) Pelicula base de cinta para casete compacto.
EP0786765A3 (en) Biaxially oriented laminate polyester film.