KR930005779B1 - 금속박막 자기기록 매체용 폴리에스테르 필름 - Google Patents

금속박막 자기기록 매체용 폴리에스테르 필름 Download PDF

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Publication number
KR930005779B1
KR930005779B1 KR1019860004234A KR860004234A KR930005779B1 KR 930005779 B1 KR930005779 B1 KR 930005779B1 KR 1019860004234 A KR1019860004234 A KR 1019860004234A KR 860004234 A KR860004234 A KR 860004234A KR 930005779 B1 KR930005779 B1 KR 930005779B1
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KR
South Korea
Prior art keywords
film
magnetic recording
height
metal thin
micrometers
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
KR1019860004234A
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English (en)
Korean (ko)
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KR860008872A (ko
Inventor
히데오 가또오
긴지 하세가와
Original Assignee
데이진 가부시끼가이샤
나까오 마스로오
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Application filed by 데이진 가부시끼가이샤, 나까오 마스로오 filed Critical 데이진 가부시끼가이샤
Publication of KR860008872A publication Critical patent/KR860008872A/ko
Application granted granted Critical
Publication of KR930005779B1 publication Critical patent/KR930005779B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G11B5/735—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 back layer
    • 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
    • B32B27/36—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
    • G11B5/735—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 back layer
    • G11B5/7356—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 back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
    • G11B5/7358—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 back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2 specially adapted for achieving a specific property, e.g. average roughness [Ra]
    • 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
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B32B2255/205—Metallic coating
    • 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
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/208—Magnetic, paramagnetic
    • 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
    • Y10S428/90—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
    • 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
    • Y10T428/25—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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Magnetic Record Carriers (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
KR1019860004234A 1985-05-29 1986-05-29 금속박막 자기기록 매체용 폴리에스테르 필름 Expired - Lifetime KR930005779B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP114202 1985-05-29
JP85-114202 1985-05-29
JP11420285 1985-05-29

Publications (2)

Publication Number Publication Date
KR860008872A KR860008872A (ko) 1986-12-18
KR930005779B1 true KR930005779B1 (ko) 1993-06-24

Family

ID=14631761

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860004234A Expired - Lifetime KR930005779B1 (ko) 1985-05-29 1986-05-29 금속박막 자기기록 매체용 폴리에스테르 필름

Country Status (5)

Country Link
US (1) US4670319A (https=)
EP (1) EP0203604B1 (https=)
JP (1) JPS6264545A (https=)
KR (1) KR930005779B1 (https=)
DE (1) DE3673565D1 (https=)

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* Cited by examiner, † Cited by third party
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JPS62245520A (ja) * 1986-04-16 1987-10-26 Diafoil Co Ltd 磁気記録媒体
US5985402A (en) * 1986-12-19 1999-11-16 Hitachi, Ltd. Magnetic disk and its manufacturing method
US5139849A (en) * 1987-02-02 1992-08-18 Canon Kabushiki Kaisha Magnetic recording medium
EP0277783B1 (en) * 1987-02-02 1994-04-06 Canon Kabushiki Kaisha Magnetic recording medium
US4990400A (en) * 1987-02-12 1991-02-05 Diafoil Company, Limited Polyester films, magnetic recording media and film capacitors produced therefrom
DE3854830T2 (de) * 1987-04-07 1996-06-27 Toray Industries Polyesterfilm
JP2792068B2 (ja) * 1987-05-01 1998-08-27 東レ株式会社 ポリエステルフィルム及び磁気記録媒体
US5737159A (en) * 1987-07-29 1998-04-07 Hitachi, Ltd. Magnetic disk and its manufacturing method
JPS6453840A (en) * 1987-08-25 1989-03-01 Toray Industries Polyester laminated film
JPH0827934B2 (ja) * 1987-09-10 1996-03-21 ダイアホイルヘキスト株式会社 磁気カード
US4952449A (en) * 1987-10-09 1990-08-28 Toray Industries, Inc. Biaxially oriented polyester film
JPH0652567B2 (ja) * 1987-10-23 1994-07-06 富士写真フイルム株式会社 磁気記録媒体
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
US5045379A (en) * 1988-06-03 1991-09-03 Diafoil Company, Limited Polyester film for high density magnetic recording medium
JP2728268B2 (ja) * 1988-09-08 1998-03-18 ティーディーケイ株式会社 テープ状磁気記録媒体
US5217820A (en) * 1988-12-16 1993-06-08 Kabushiki Kaisha Toshiba High density slave magnetic recording media having specified perpendicular squareness rectangular ratio, roughness and number of projections
FR2640983B1 (https=) * 1988-12-28 1992-09-25 Rhone Poulenc Films
JPH02193313A (ja) * 1989-01-20 1990-07-31 Fuji Photo Film Co Ltd 磁気記録媒体
US5202810A (en) * 1989-04-27 1993-04-13 Hitachi, Ltd. Magnetic disk having an improved surface configuration
JP2770048B2 (ja) * 1989-06-15 1998-06-25 コニカ株式会社 磁気記録媒体
JP2811329B2 (ja) * 1989-09-14 1998-10-15 コニカ株式会社 磁気記録媒体
US5116658A (en) * 1989-12-04 1992-05-26 Konica Corporation Magnetic recording medium
US5091269A (en) * 1989-12-14 1992-02-25 Sony Corporation Magnetic recording medium lubricant consisting of an amine salt of carboxylic acid, an amine salt of perfluoroalkyl carboxylic acid or an fluoro amine salt of perfluoro carboxylic acid
US5324582A (en) * 1990-08-17 1994-06-28 Konica Corporation Magnetic recording medium
KR0151172B1 (ko) * 1990-10-08 1999-05-15 이따가끼 히로시 자기기록 매체용 폴리에스테르 필름
JP3014009B2 (ja) * 1991-01-11 2000-02-28 ミネソタ マイニング アンド マニュファクチャリング カンパニー 磁気記録媒体
JP2688291B2 (ja) * 1991-02-06 1997-12-08 帝人株式会社 磁気記録媒体用ポリエステルフイルム
US5431983A (en) * 1991-04-25 1995-07-11 Teijin Limited Magnetic recording tape comprising a polyethylene-2,6-napthalate substrate, magnetic metal thin film, and a backcoat layer
GB9110902D0 (en) * 1991-05-21 1991-07-10 Ici Plc Polymeric film
JP2777003B2 (ja) * 1991-06-28 1998-07-16 帝人株式会社 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
JPH05154972A (ja) * 1991-07-02 1993-06-22 Unitika Ltd 粗面化フィルムおよびその製造方法
JPH05114127A (ja) * 1991-10-23 1993-05-07 Hitachi Ltd 磁気デイスク及びその製造方法並びに磁気デイスク装置
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
DE69227354T2 (de) * 1991-11-18 1999-05-06 Toray Industries, Inc., Tokio/Tokyo Biaxial orientierter Film aus thermoplastischem Harz
DE69233633T2 (de) * 1991-12-25 2007-05-16 Teijin Ltd. Polyesterfilm für magnetische Aufzeichnung
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
US5434000A (en) * 1992-07-30 1995-07-18 Toyo Boseki Kabushiki Kaisha Biaxially oriented polyester film
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
US5677033A (en) * 1993-02-11 1997-10-14 Teijin Limited Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalenedicarboxylate film
EP0940426B1 (en) * 1993-02-15 2003-02-05 Teijin Limited Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalenedicarboxylate film
US5626942A (en) * 1993-05-05 1997-05-06 Toray Industries, Inc. Polyester film and process for producing the same
US5607747A (en) * 1994-04-15 1997-03-04 Minnesota Mining And Manufacturing Company Magnetic recording media having a backside coating which includes multicomponent, nonmagnetic particles
US5976668A (en) * 1995-02-28 1999-11-02 Sony Corporation Base film for magnetic recording medium and magnetic recording medium using same
US6553788B1 (en) * 1999-02-23 2003-04-29 Nippon Sheet Glass Co., Ltd. Glass substrate for magnetic disk and method for manufacturing
EP2005433B1 (en) * 2006-02-14 2017-01-25 Toray Plastics (America), Inc. Biaxially oriented polyester film for molding process
JP5492781B2 (ja) * 2007-10-31 2014-05-14 デュポン・テイジン・フィルムズ・ユー・エス・リミテッド・パートナーシップ コーティングされた物品
KR101268250B1 (ko) * 2009-06-30 2013-05-30 코오롱인더스트리 주식회사 열수축성 폴리에스테르계 필름
JP5281986B2 (ja) * 2009-08-26 2013-09-04 富士フイルム株式会社 積層フィルムおよび複合フィルム

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JPS5517851A (en) * 1978-07-21 1980-02-07 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS57130234A (en) * 1981-02-02 1982-08-12 Fuji Photo Film Co Ltd Magnetic recording medium
DE3275959D1 (en) * 1981-03-30 1987-05-07 Teijin Ltd Magnetic recording medium
JPS57189336A (en) * 1981-05-18 1982-11-20 Hitachi Maxell Ltd Magnetic recording medium
JPS5868225A (ja) * 1981-10-13 1983-04-23 Toray Ind Inc 磁気記録媒体
DE77549T1 (de) * 1981-10-15 1984-01-05 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Magnetisches aufzeichnungsmedium.
EP0088634B1 (en) * 1982-03-10 1986-12-30 Toray Industries, Inc. Laminated film and magnetic recording medium made therewith
JPS5938925A (ja) * 1982-08-26 1984-03-03 Toray Ind Inc 磁気記録材料
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
JP2608868B2 (ja) * 1982-11-18 1997-05-14 松下電器産業株式会社 磁気記録媒体
JPH0677308B2 (ja) * 1984-06-19 1994-09-28 東レ株式会社 磁気記録媒体用ポリエステルフイルム

Also Published As

Publication number Publication date
EP0203604A3 (en) 1988-07-13
JPH0433273B2 (https=) 1992-06-02
US4670319A (en) 1987-06-02
EP0203604A2 (en) 1986-12-03
DE3673565D1 (de) 1990-09-27
KR860008872A (ko) 1986-12-18
EP0203604B1 (en) 1990-08-22
JPS6264545A (ja) 1987-03-23

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