KR900008470A - 정보 기록매체 - Google Patents

정보 기록매체 Download PDF

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Publication number
KR900008470A
KR900008470A KR1019890015122A KR890015122A KR900008470A KR 900008470 A KR900008470 A KR 900008470A KR 1019890015122 A KR1019890015122 A KR 1019890015122A KR 890015122 A KR890015122 A KR 890015122A KR 900008470 A KR900008470 A KR 900008470A
Authority
KR
South Korea
Prior art keywords
recording medium
information recording
adhesive
softening point
substrate
Prior art date
Application number
KR1019890015122A
Other languages
English (en)
Other versions
KR920007292B1 (ko
Inventor
마사요시 구리스
히데히꼬 하시모또
Original Assignee
가께바야시 쇼오고
미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤
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 가께바야시 쇼오고, 미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤 filed Critical 가께바야시 쇼오고
Publication of KR900008470A publication Critical patent/KR900008470A/ko
Application granted granted Critical
Publication of KR920007292B1 publication Critical patent/KR920007292B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/256—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers improving adhesion between layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24018—Laminated discs
    • G11B7/24024—Adhesion or bonding, e.g. specific adhesive layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • G11B7/2538—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycycloolefins [PCO]
    • 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
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)
  • Holo Graphy (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

내용 없음.

Description

정보 기록매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 정보기록매체의 단면도.
제2 및 제3도는 본 밭명의 정보기록 매체의 제조 단계도.

Claims (7)

  1. 두개의 디스크기판을 포함하는 정보기록매체로서 각각의 기판은 하나의 투명수지기판과 이 투명수지기판의 한 표면에 형성되는 하나의 기록층으로 구성되며, 그 기록층들이 서로 대향 배치되도록 상기 두 디스크기판이 접착제를 매개로 하여 적층되며, 그 접착제는 연화점이 130℃이상인 호트멜트 접착제인 것이 특징인 정보기록매체.
  2. 제1항에서, 상기 접착제가 연화점이 140℃이상인 호트멜트 접착제인 것이 특징인 정보기록매체.
  3. 제1항에서, 상기 접착제가 플리올레핀수지(A), 스티렌수지(B) 및 석유수지(C)를 포함하며, 그 연화점이 130℃이상인 것이 특징인 정보기록매체.
  4. 제3항에서, 상기 폴리올레핀 수지가 에틸렌/프로필렌/α-올레핀 3원 공중합체인 것이 특징인 정보기록매체.
  5. 제3항에서, 상기 접착제가 폴리올레핀(A)1~60중량%, 스티렌수지 (B)1-30중량%및, 석유수지(C) 30-95중량%로 구성된 것이 특징인 정보기록매체.
  6. 제1항에서, 상기 정보기록매체가 광학적 정보기록매체인 것이 특징인 정보기록매체.
  7. 제1항에서, 상기 투명수지기판이 에틸렌과 하기 일반식[Ⅰ]을 갖는 시클로올레핀로부터 되며, 135℃의 데칼린중에서 측정한 극한점도[n]가 0.01~10dℓ/g이며, 연화점(TMA)이 70℃이상인 랜덤공중합체로 구성되는 것이 특징인 정보기록매체.
    (식에서, n은 0도는 양의 정수, R2∼R12는 같거나 다르며, 각각은 수소 또는 할로겐원자 또는 탄화수소기를 나타내며, R9~Rl2가 서로 결합하는 경우, 하나의 이중결합 또는 다수의 이중결합을 임의적으로 갖는 단일 또는다환의 탄화수소 고리를 형성할 수도 있으며, 또는 R9와 R10또는 R11과 R12가 서로 결합하는 경우, 알킬리덴기를 형성할 수도 있다.)
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890015122A 1988-11-24 1989-10-20 정보기록매체 KR920007292B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63-296597 1988-11-24
JP29659788 1988-11-24
JP?63-296597 1988-11-24

Publications (2)

Publication Number Publication Date
KR900008470A true KR900008470A (ko) 1990-06-04
KR920007292B1 KR920007292B1 (ko) 1992-08-29

Family

ID=17835610

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890015122A KR920007292B1 (ko) 1988-11-24 1989-10-20 정보기록매체

Country Status (8)

Country Link
US (1) US5059462A (ko)
EP (1) EP0370622B1 (ko)
KR (1) KR920007292B1 (ko)
CN (1) CN1017843B (ko)
AT (1) ATE122492T1 (ko)
AU (1) AU4352989A (ko)
CA (1) CA2001152A1 (ko)
DE (1) DE68922584T2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100443579B1 (ko) * 2002-07-03 2004-08-09 주식회사 케이엠지 벽보광고물 제거용 조성물

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US5288358A (en) * 1987-05-29 1994-02-22 Gerber Scientific Products, Inc. Sign making web with dry adhesive layer and method of using the same
CA1330464C (en) * 1987-12-08 1994-06-28 Mitsui Petrochemical Industries, Ltd. Active energy ray-curable composition and optical recording medium having cured product of the composition
ATE124561T1 (de) * 1989-08-25 1995-07-15 Mitsui Petrochemical Ind Medium für informationsaufzeichnung und dazu verwendbares klebemittel.
JP2808794B2 (ja) * 1990-02-22 1998-10-08 ソニー株式会社 両面光ディスク
US5312714A (en) * 1991-08-02 1994-05-17 Canon Kabushiki Kaisha Optical recording medium, process for producing recording medium, and information recording method
DE4233851A1 (de) * 1992-10-08 1994-04-14 Hoechst Ag Substrat aus zumindest einem Cycloolefin-Copolymer für Aufzeichnungsmedien und Verfahren zu seiner Herstellung
JPH07257079A (ja) * 1994-03-25 1995-10-09 Dainippon Printing Co Ltd 光カード
US5538774A (en) * 1994-07-29 1996-07-23 Minnesota Mining And Manufacturing Company Internally damped rotatable storage article
US5764619A (en) * 1995-04-07 1998-06-09 Matsushita Electric Industrial Co., Ltd. Optical recording medium having two separate recording layers
JPH0969238A (ja) * 1995-08-30 1997-03-11 Pioneer Electron Corp 光ディスク及びその製造方法
JP3264419B2 (ja) * 1995-12-26 2002-03-11 日本ビクター株式会社 記録ディスク及び成形用金型装置
EP0895234B1 (en) * 1996-04-19 2002-08-28 Matsushita Electric Industrial Co., Ltd. Method and apparatus for manufacture of laminated optical disc
WO1998021718A1 (fr) * 1996-11-14 1998-05-22 Asahi Kasei Kogyo Kabushiki Kaisha Moyen d'enregistrement optique d'informations et son procede de fabrication
US6599602B2 (en) 1999-06-02 2003-07-29 3M Innovative Properties Company Polycarbonate articles and adhesive composition therefor
EP1244719B1 (en) 1999-10-28 2005-01-19 3M Innovative Properties Company Compositions and articles made therefrom
CN100349222C (zh) * 2003-01-30 2007-11-14 凸版印刷株式会社 光盘及其制造方法
CA2675197C (en) * 2007-01-12 2016-04-12 Sport Maska Inc. Skate boot with improved flexibility

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JPS586536A (ja) * 1981-07-01 1983-01-14 Pioneer Electronic Corp 光学式デイスク
JPS58108044A (ja) * 1981-12-22 1983-06-28 Pioneer Electronic Corp 光学式デイスク
JPS6180532A (ja) * 1984-09-28 1986-04-24 Toshiba Corp 光デイスク
JPS6278750A (ja) * 1985-10-02 1987-04-11 Fuji Photo Film Co Ltd エア−サンドイツチ型情報記録媒体
JPS6288154A (ja) * 1985-10-14 1987-04-22 Daicel Chem Ind Ltd 光デイスクの製造方法
DE3763594D1 (de) * 1986-01-28 1990-08-16 Mitsui Petrochemical Ind Struktur einer optischen scheibe mit zwischenraum zwischen den aufzeichnungsschichten.
JPH07107750B2 (ja) * 1986-02-21 1995-11-15 コニカ株式会社 情報記録媒体
US5128388A (en) * 1987-11-30 1992-07-07 Sunstar Giken Kabushiki Kaisha Hot melt adhesive crosslinkable by ultraviolet irradiation, optical disc using the same and process for preparing thereof
DE3833788A1 (de) * 1988-10-05 1990-04-12 Hoechst Ag Optisch beschreib- und lesbares aufzeichnungsmaterial in air-sandwich-form

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100443579B1 (ko) * 2002-07-03 2004-08-09 주식회사 케이엠지 벽보광고물 제거용 조성물

Also Published As

Publication number Publication date
DE68922584T2 (de) 1995-09-28
KR920007292B1 (ko) 1992-08-29
US5059462A (en) 1991-10-22
EP0370622A2 (en) 1990-05-30
ATE122492T1 (de) 1995-05-15
AU4352989A (en) 1990-05-31
CA2001152A1 (en) 1990-05-24
DE68922584D1 (de) 1995-06-14
CN1017843B (zh) 1992-08-12
EP0370622A3 (en) 1991-07-03
CN1043029A (zh) 1990-06-13
EP0370622B1 (en) 1995-05-10

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