DE69202823T2 - Polyesterfilm für magnetische Aufzeichnungsmedia, Verfahren zu seiner Herstellung und magnetisches Aufzeichnungsmedium. - Google Patents

Polyesterfilm für magnetische Aufzeichnungsmedia, Verfahren zu seiner Herstellung und magnetisches Aufzeichnungsmedium.

Info

Publication number
DE69202823T2
DE69202823T2 DE69202823T DE69202823T DE69202823T2 DE 69202823 T2 DE69202823 T2 DE 69202823T2 DE 69202823 T DE69202823 T DE 69202823T DE 69202823 T DE69202823 T DE 69202823T DE 69202823 T2 DE69202823 T2 DE 69202823T2
Authority
DE
Germany
Prior art keywords
magnetic recording
production
polyester film
recording medium
recording media
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 - Fee Related
Application number
DE69202823T
Other languages
English (en)
Other versions
DE69202823D1 (de
Inventor
Hideshi Kurihara
Tsuyoshi Nagai
Sadayoshi Miura
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
Application granted granted Critical
Publication of DE69202823D1 publication Critical patent/DE69202823D1/de
Publication of DE69202823T2 publication Critical patent/DE69202823T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • G11B5/733—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 characterised by the addition of non-magnetic particles
    • 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
    • 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.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24826—Spot bonds connect components
    • 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.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • 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.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate 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
    • 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
    • Y10T428/29—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.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer
    • 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]
    • Y10T428/31678—Of metal
    • Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
DE69202823T 1991-06-28 1992-06-26 Polyesterfilm für magnetische Aufzeichnungsmedia, Verfahren zu seiner Herstellung und magnetisches Aufzeichnungsmedium. Expired - Fee Related DE69202823T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3183913A JP2777003B2 (ja) 1991-06-28 1991-06-28 磁気記録媒体用ポリエステルフイルム及びその製造方法

Publications (2)

Publication Number Publication Date
DE69202823D1 DE69202823D1 (de) 1995-07-13
DE69202823T2 true DE69202823T2 (de) 1995-10-12

Family

ID=16144009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69202823T Expired - Fee Related DE69202823T2 (de) 1991-06-28 1992-06-26 Polyesterfilm für magnetische Aufzeichnungsmedia, Verfahren zu seiner Herstellung und magnetisches Aufzeichnungsmedium.

Country Status (5)

Country Link
US (2) US5496618A (de)
EP (1) EP0520504B1 (de)
JP (1) JP2777003B2 (de)
KR (1) KR0153240B1 (de)
DE (1) DE69202823T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5674443A (en) * 1994-09-26 1997-10-07 Skc Limited Process for the preparation of polyester film
US5906885A (en) * 1995-03-28 1999-05-25 Tdk Corporation Magnetic recording medium
US5718860A (en) * 1995-06-14 1998-02-17 Skc Limited Process for the preparation of polyester base film for magnetic recording media
US7344786B2 (en) * 2001-10-29 2008-03-18 Fujifilm Corporation Magnetic recording medium including a smooth coating layer on one side of the support
US6921570B2 (en) * 2001-12-21 2005-07-26 Kimberly-Clark Worldwide, Inc. Pattern unbonded nonwoven web and process for making same
WO2003093008A1 (fr) * 2002-05-02 2003-11-13 Teijin Dupont Films Japan Limited Film lamelle a usage optique
AU2003261286B2 (en) * 2002-07-19 2009-10-29 Interventional Spine, Inc. Method and apparatus for spinal fixation
JP2005339701A (ja) * 2004-05-28 2005-12-08 Fuji Photo Film Co Ltd 情報記録テープ
US7625634B2 (en) * 2004-07-06 2009-12-01 Sekisui Chemical Co., Ltd. Interlayer film for laminated glass and laminated glass
JP5200375B2 (ja) * 2006-12-18 2013-06-05 三菱化学株式会社 ポリカーボネート樹脂の製造方法
JP2009054270A (ja) 2007-05-31 2009-03-12 Fujifilm Corp 磁気記録媒体、磁気信号再生システムおよび磁気信号再生方法
JP2009054272A (ja) 2007-07-27 2009-03-12 Fujifilm Corp 磁気信号再生システムおよび磁気信号再生方法
GB201120332D0 (en) * 2011-11-24 2012-01-04 One Delta Ltd Laminates
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 (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787327A (en) * 1972-02-22 1974-01-22 Ncr Process for manufacturing minute capsules having polynitrile capsule walls
JPS5843817B2 (ja) * 1976-02-24 1983-09-29 富士写真フイルム株式会社 磁気記録体
JPS52134706A (en) * 1976-05-06 1977-11-11 Univ Tohoku Vertical magnetic recorder reproducer and system therefor
JPS54147010A (en) * 1978-05-10 1979-11-16 Matsushita Electric Ind Co Ltd Magnetic recording medium
EP0046269B1 (de) * 1980-08-18 1986-08-13 Matsushita Electric Industrial Co., Ltd. Magnetisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung
JPS5868227A (ja) * 1981-10-15 1983-04-23 Matsushita Electric Ind Co Ltd 磁気記録媒体
DE3277996D1 (en) * 1981-10-15 1988-02-18 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS58100221A (ja) * 1981-12-09 1983-06-14 Matsushita Electric Ind Co Ltd 磁気記録媒体
US4540618A (en) * 1982-08-12 1985-09-10 Matsushita Electric Industrial Co., Ltd. Magnetic recording medium
JPS5948825A (ja) * 1982-09-14 1984-03-21 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS5930231A (ja) * 1982-08-12 1984-02-17 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS5984927A (ja) * 1982-11-02 1984-05-16 Toray Ind Inc 磁気記録媒体用ポリエステルフイルム
JPS5984928A (ja) * 1982-11-02 1984-05-16 Toray Ind Inc 磁気記録媒体用ポリエステルフイルム
JP2608868B2 (ja) * 1982-11-18 1997-05-14 松下電器産業株式会社 磁気記録媒体
DE3370710D1 (en) * 1982-11-19 1987-05-07 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS6063150A (ja) * 1983-09-16 1985-04-11 東レ株式会社 金属薄膜蒸着用ポリエステルフイルム
JPS59229316A (ja) * 1984-05-01 1984-12-22 Toray Ind Inc 磁気記録媒体用ポリエステルフイルムの製造方法
JPS6150211A (ja) * 1984-08-20 1986-03-12 Res Dev Corp Of Japan 垂直磁気記録媒体およびその製法
DE3673565D1 (de) * 1985-05-29 1990-09-27 Teijin Ltd Polyesterfilm fuer magnetische aufzeichnungstraeger.
US4732814A (en) * 1985-10-03 1988-03-22 Toray Industries, Inc. Polyester film with smooth and highly adhesive surface and method of making same
CA1297738C (en) * 1986-01-09 1992-03-24 Hirofumi Kondo Magnetic recording medium
EP0261430B1 (de) * 1986-08-27 1999-11-24 Teijin Limited Biaxial orientierte Polyesterfilme
JPH02193313A (ja) * 1989-01-20 1990-07-31 Fuji Photo Film Co Ltd 磁気記録媒体
US5051292A (en) * 1989-02-01 1991-09-24 Teijin Limited Biaxially oriented film of polyethylene-2,6-naphthalate
JP2977287B2 (ja) * 1990-12-25 1999-11-15 東洋紡績株式会社 熱可塑性樹脂フィルムおよびその製造方法
DE69233633T2 (de) * 1991-12-25 2007-05-16 Teijin Ltd. Polyesterfilm für magnetische Aufzeichnung

Also Published As

Publication number Publication date
US5601768A (en) 1997-02-11
JP2777003B2 (ja) 1998-07-16
JPH054314A (ja) 1993-01-14
KR0153240B1 (ko) 1998-12-15
KR930001138A (ko) 1993-01-16
DE69202823D1 (de) 1995-07-13
US5496618A (en) 1996-03-05
EP0520504B1 (de) 1995-06-07
EP0520504A1 (de) 1992-12-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee