WO2004005371A8 - 光学記録媒体 - Google Patents

光学記録媒体

Info

Publication number
WO2004005371A8
WO2004005371A8 PCT/JP2002/006952 JP0206952W WO2004005371A8 WO 2004005371 A8 WO2004005371 A8 WO 2004005371A8 JP 0206952 W JP0206952 W JP 0206952W WO 2004005371 A8 WO2004005371 A8 WO 2004005371A8
Authority
WO
WIPO (PCT)
Prior art keywords
recording medium
optical recording
substrate
thermoplastic resin
protection layer
Prior art date
Application number
PCT/JP2002/006952
Other languages
English (en)
French (fr)
Other versions
WO2004005371A1 (ja
Inventor
Kazuhiko Koya
Hironobu Kato
Koki Ikeda
Original Assignee
Teijin Chemicals Ltd
Kazuhiko Koya
Hironobu Kato
Koki Ikeda
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 Chemicals Ltd, Kazuhiko Koya, Hironobu Kato, Koki Ikeda filed Critical Teijin Chemicals Ltd
Priority to PCT/JP2002/006952 priority Critical patent/WO2004005371A1/ja
Priority to DE60229888T priority patent/DE60229888D1/de
Priority to EP02743880A priority patent/EP1518880B1/en
Priority to US10/488,704 priority patent/US6875489B2/en
Priority to JP2004519190A priority patent/JPWO2004005371A1/ja
Publication of WO2004005371A1 publication Critical patent/WO2004005371A1/ja
Publication of WO2004005371A8 publication Critical patent/WO2004005371A8/ja

Links

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
    • G11B7/253—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
    • G11B7/2536—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 polystyrene [PS]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04—Aromatic polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • 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
    • G11B7/2534—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 polycarbonates [PC]
    • 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]
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording 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
    • G11B7/242—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
    • G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or Te
    • 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
    • G11B7/254—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 protective topcoat layers
    • G11B7/2542—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 protective topcoat layers consisting essentially of organic resins
    • 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
    • G11B7/241—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
    • G11B7/258—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 reflective layers
    • G11B7/2585—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 reflective layers based on aluminium
    • 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
    • G11B7/258—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 reflective layers
    • G11B7/2595—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 reflective layers based on gold
    • 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
    • Y10T428/21—Circular sheet or circular blank

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
PCT/JP2002/006952 2002-07-09 2002-07-09 光学記録媒体 WO2004005371A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/JP2002/006952 WO2004005371A1 (ja) 2002-07-09 2002-07-09 光学記録媒体
DE60229888T DE60229888D1 (de) 2002-07-09 2002-07-09 Optisches aufzeichnungsmedium
EP02743880A EP1518880B1 (en) 2002-07-09 2002-07-09 Optical recording medium
US10/488,704 US6875489B2 (en) 2002-07-09 2002-07-09 Optical recording medium
JP2004519190A JPWO2004005371A1 (ja) 2002-07-09 2002-07-09 光学記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/006952 WO2004005371A1 (ja) 2002-07-09 2002-07-09 光学記録媒体

Publications (2)

Publication Number Publication Date
WO2004005371A1 WO2004005371A1 (ja) 2004-01-15
WO2004005371A8 true WO2004005371A8 (ja) 2005-04-07

Family

ID=30022630

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/006952 WO2004005371A1 (ja) 2002-07-09 2002-07-09 光学記録媒体

Country Status (5)

Country Link
US (1) US6875489B2 (ja)
EP (1) EP1518880B1 (ja)
JP (1) JPWO2004005371A1 (ja)
DE (1) DE60229888D1 (ja)
WO (1) WO2004005371A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1489123B1 (en) * 2002-03-28 2009-09-23 Teijin Chemicals, Ltd. Copolycarbonate and heat-resistant part comprising the copolymer
US7407698B2 (en) * 2003-05-07 2008-08-05 Ricoh Company, Ltd. Flexible optical disk
US7767284B2 (en) * 2004-04-28 2010-08-03 Ricoh Company, Ltd. Optical recording medium, and, method for manufacturing the same, and method and apparatus for optical recording and reproducing thereof
JP2006313585A (ja) * 2005-05-06 2006-11-16 Toshiba Corp 光ディスク、光ディスクの製造方法、情報再生装置、情報再生方法、情報記録装置、および情報記録方法
EP2051251A1 (en) 2007-10-19 2009-04-22 Bayer MaterialScience AG Disc shaped high density recording medium
CN102265342B (zh) * 2008-12-25 2014-11-12 拜尔材料科学股份公司 用于高速光盘的基片材料
PL2382629T3 (pl) 2008-12-25 2014-03-31 Bayer Ip Gmbh Materiał podłożowy dla szybkich dysków optycznych
JP2012514279A (ja) 2008-12-25 2012-06-21 バイエル・マテリアルサイエンス・アクチェンゲゼルシャフト ディスク型高密度記録媒体
US8277919B2 (en) * 2009-07-23 2012-10-02 VMO Systems, Inc. Reflective coating for an optical disc
EP2336246A1 (de) * 2009-12-12 2011-06-22 Bayer MaterialScience AG Copolycarbonat-Zusammensetzungen mit verbesserten thermischen Eigenschaften auf Basis von Blends
US8691915B2 (en) 2012-04-23 2014-04-08 Sabic Innovative Plastics Ip B.V. Copolymers and polymer blends having improved refractive indices

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691361B1 (en) * 1994-07-08 2002-09-18 Teijin Chemicals, Ltd. Optical disk substrate, optical disk and aromatic polycarbonate resin
JPH11296904A (ja) 1998-04-03 1999-10-29 Toshiba Corp 情報記録媒体およびこれに用いられる樹脂基板の製造方法
JP3964557B2 (ja) 1998-10-02 2007-08-22 帝人化成株式会社 芳香族ポリカーボネート樹脂組成物および光学用成形品
EP1158024B1 (en) * 1999-12-14 2006-02-22 Teijin Chemicals, Ltd. Damping thermoplastic resin composition and molded articles
DE10001036A1 (de) * 2000-01-13 2001-07-19 Bayer Ag Polycarbonat-Substrate
CA2375620C (en) * 2000-03-29 2005-11-15 Teijin Limited Protecting film for optical recording medium and optical recording medium
JP2002117580A (ja) * 2000-10-03 2002-04-19 Teijin Chem Ltd 光ディスク基板および光ディスク
JP3718627B2 (ja) * 2000-10-20 2005-11-24 帝人化成株式会社 湿式成形用ポリカーボネート樹脂の保存方法
JP2001220508A (ja) * 2000-10-23 2001-08-14 Teijin Chem Ltd 芳香族ポリカーボネート樹脂組成物および光学用成形品
JP2002334482A (ja) * 2001-05-10 2002-11-22 Teijin Chem Ltd 光学記録媒体
EP1489123B1 (en) * 2002-03-28 2009-09-23 Teijin Chemicals, Ltd. Copolycarbonate and heat-resistant part comprising the copolymer

Also Published As

Publication number Publication date
US6875489B2 (en) 2005-04-05
EP1518880B1 (en) 2008-11-12
EP1518880A4 (en) 2006-03-08
WO2004005371A1 (ja) 2004-01-15
JPWO2004005371A1 (ja) 2005-11-04
DE60229888D1 (de) 2008-12-24
US20040241375A1 (en) 2004-12-02
EP1518880A1 (en) 2005-03-30

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