DE69634451D1 - Substrat für digital video disk - Google Patents

Substrat für digital video disk

Info

Publication number
DE69634451D1
DE69634451D1 DE69634451T DE69634451T DE69634451D1 DE 69634451 D1 DE69634451 D1 DE 69634451D1 DE 69634451 T DE69634451 T DE 69634451T DE 69634451 T DE69634451 T DE 69634451T DE 69634451 D1 DE69634451 D1 DE 69634451D1
Authority
DE
Germany
Prior art keywords
substrate
digital video
video disk
disk
digital
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
DE69634451T
Other languages
English (en)
Other versions
DE69634451T2 (de
Inventor
Ltd Okamoto
Ltd Kuze
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.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Petrochemical 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 Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Application granted granted Critical
Publication of DE69634451D1 publication Critical patent/DE69634451D1/de
Publication of DE69634451T2 publication Critical patent/DE69634451T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/307—General preparatory processes using carbonates and phenols
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
DE69634451T 1996-03-28 1996-12-20 Substrat für digital video disk Expired - Lifetime DE69634451T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7392196 1996-03-28
JP7392196 1996-03-28
PCT/JP1996/003729 WO1997036292A1 (en) 1996-03-28 1996-12-20 Digital video disk substrate

Publications (2)

Publication Number Publication Date
DE69634451D1 true DE69634451D1 (de) 2005-04-14
DE69634451T2 DE69634451T2 (de) 2005-09-15

Family

ID=13532112

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69634451T Expired - Lifetime DE69634451T2 (de) 1996-03-28 1996-12-20 Substrat für digital video disk

Country Status (5)

Country Link
US (1) US6183830B1 (de)
EP (1) EP0890944B1 (de)
DE (1) DE69634451T2 (de)
ES (1) ES2236760T3 (de)
WO (1) WO1997036292A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6436503B1 (en) * 1999-09-08 2002-08-20 General Electric Company Data storage medium containing polyestercarbonate
DE19952849A1 (de) * 1999-11-03 2001-05-10 Bayer Ag Optische Datenträger und Verfahren zu ihrer Herstellung
JP2001354781A (ja) * 2000-06-13 2001-12-25 Teijin Chem Ltd ポリカーボネート樹脂からなる窓材
US6944115B2 (en) 2000-09-29 2005-09-13 General Electric Company Colored data storage media
JP3866934B2 (ja) * 2001-05-28 2007-01-10 日本ジーイープラスチックス株式会社 光学用ポリカーボネートおよびその用途
US6475589B1 (en) * 2001-12-17 2002-11-05 General Electric Company Colored optical discs and methods for making the same
US20090162628A1 (en) * 2006-01-06 2009-06-25 Haruhiko Kurokawa Aromatic polycarbonate resin composition for light guide plates, and light guide plate
CN105085895A (zh) * 2015-08-28 2015-11-25 华东理工大学 熔融酯交换法制备聚碳酸酯所用催化剂及其应用
WO2019113210A1 (en) 2017-12-05 2019-06-13 Anthos Partners, Lp Phosphonium-based ionic drug conjugates

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938464A1 (de) * 1979-09-22 1981-04-09 Bayer Ag, 5090 Leverkusen Thermoplastische polycarbonate, ihre herstellung und ihre verwendung als formkoerper und folien
JPS58180553A (ja) * 1982-04-19 1983-10-22 Idemitsu Petrochem Co Ltd 光学機器用成形素材
JPH0725871B2 (ja) * 1984-03-28 1995-03-22 三菱瓦斯化学株式会社 ポリカーボネート樹脂光学成形品
JPH0727662B2 (ja) 1987-08-27 1995-03-29 出光石油化学株式会社 光ディスク基板
KR0141577B1 (ko) 1991-11-15 1998-07-01 홍고오 무쓰비 폴리카르보네이트 수지조성물 및 그 제조방법
DE4240314A1 (de) * 1992-12-01 1994-06-09 Bayer Ag Verfahren zur Herstellung von thermoplastischen Polycarbonaten
EP0635546A1 (de) * 1993-07-19 1995-01-25 General Electric Company Zusammensetzungen aromatischer Polycarbonate
JPH0762074A (ja) * 1993-08-24 1995-03-07 Mitsubishi Chem Corp 芳香族ポリカーボネート樹脂の製造法
JPH07247351A (ja) * 1994-03-10 1995-09-26 Mitsubishi Gas Chem Co Inc ポリカーボネートの製造方法
JP3100862B2 (ja) * 1995-04-21 2000-10-23 帝人化成株式会社 光ディスク基板および光ディスク
US5578694A (en) * 1994-09-21 1996-11-26 Mitsubishi Chemical Corporation Process for producing aromatic polycarbonate
TW354793B (en) * 1995-11-27 1999-03-21 Mitsubishi Gas Chemical Co Polycarbonate resin with high flowability and process for producing the same
JP3436466B2 (ja) 1996-03-07 2003-08-11 出光石油化学株式会社 デジタルビデオディスク基板

Also Published As

Publication number Publication date
EP0890944B1 (de) 2005-03-09
EP0890944A4 (de) 2001-01-03
DE69634451T2 (de) 2005-09-15
ES2236760T3 (es) 2005-07-16
EP0890944A1 (de) 1999-01-13
US6183830B1 (en) 2001-02-06
WO1997036292A1 (en) 1997-10-02

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: IDEMITSU KOSAN CO., LTD., TOKIO/TOKYO, JP

8364 No opposition during term of opposition