DE69423556D1 - Optisches Informationsaufzeichnungsmedium - Google Patents

Optisches Informationsaufzeichnungsmedium

Info

Publication number
DE69423556D1
DE69423556D1 DE69423556T DE69423556T DE69423556D1 DE 69423556 D1 DE69423556 D1 DE 69423556D1 DE 69423556 T DE69423556 T DE 69423556T DE 69423556 T DE69423556 T DE 69423556T DE 69423556 D1 DE69423556 D1 DE 69423556D1
Authority
DE
Germany
Prior art keywords
recording medium
information recording
optical information
optical
medium
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
DE69423556T
Other languages
English (en)
Other versions
DE69423556T2 (de
Inventor
Yoko Matsuzawa
Shin-Ichiro Tamura
Katsuya Shirai
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69423556D1 publication Critical patent/DE69423556D1/de
Publication of DE69423556T2 publication Critical patent/DE69423556T2/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
    • 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
    • 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
    • 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
    • G11B7/2531—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 glass
    • 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
    • G11B7/2535—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 polyesters, e.g. PET, PETG or PEN
    • 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
    • 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
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam
    • 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
DE69423556T 1993-09-08 1994-09-06 Optisches Informationsaufzeichnungsmedium Expired - Fee Related DE69423556T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5223268A JPH0778357A (ja) 1993-09-08 1993-09-08 光学的情報媒体

Publications (2)

Publication Number Publication Date
DE69423556D1 true DE69423556D1 (de) 2000-04-27
DE69423556T2 DE69423556T2 (de) 2000-09-14

Family

ID=16795458

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423556T Expired - Fee Related DE69423556T2 (de) 1993-09-08 1994-09-06 Optisches Informationsaufzeichnungsmedium

Country Status (5)

Country Link
US (1) US5556681A (de)
EP (1) EP0642124B1 (de)
JP (1) JPH0778357A (de)
KR (1) KR950009585A (de)
DE (1) DE69423556T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05334664A (ja) * 1992-06-02 1993-12-17 Pioneer Electron Corp 情報記録ディスクとその記録情報再生装置
EP1256947A1 (de) * 2000-02-14 2002-11-13 Taiyo Yuden Co., Ltd. Medium zur aufzeichnung optischer informationen
US7300690B2 (en) 2001-03-29 2007-11-27 General Electric Company Radial tilt reduced media
US6716505B2 (en) 2001-08-31 2004-04-06 General Electric Company Storage medium for data with improved dimensional stability
US7354990B2 (en) 2003-08-26 2008-04-08 General Electric Company Purified polymeric materials and methods of purifying polymeric materials
US7041780B2 (en) 2003-08-26 2006-05-09 General Electric Methods of preparing a polymeric material composite
US7244813B2 (en) 2003-08-26 2007-07-17 General Electric Company Methods of purifying polymeric material
US7256225B2 (en) 2003-08-26 2007-08-14 General Electric Company Methods of preparing a polymeric material

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6047247A (ja) * 1983-08-26 1985-03-14 Hitachi Ltd 記録媒体
DE3716734A1 (de) * 1987-05-19 1988-12-01 Basf Ag Optisches aufzeichnungsmedium, das eine silicium-phthalocyaninderivat enthaltende reflektorschicht aufweist
JP2673280B2 (ja) * 1988-06-21 1997-11-05 共同印刷株式会社 光記録カード
GB8815235D0 (en) * 1988-06-27 1988-08-03 Plasmon Data Systems Inc Improvements relating to optical data storage disks
EP0376231B1 (de) * 1988-12-28 1994-09-07 MITSUI TOATSU CHEMICALS, Inc. Optischer Aufzeichnungsträger
US5200947A (en) * 1989-02-03 1993-04-06 Jujo Paper Co., Ltd. Optical recording medium, optical recording method, and optical recording device used in method
US5271979A (en) * 1991-05-01 1993-12-21 Canon Kabushiki Kaisha Optical recording medium containing polymethine compound
JPH05128588A (ja) * 1991-05-16 1993-05-25 Canon Inc 光記録媒体、光記録方法及び再生方法、情報書込み装置及び情報レコードの再生装置

Also Published As

Publication number Publication date
EP0642124B1 (de) 2000-03-22
DE69423556T2 (de) 2000-09-14
JPH0778357A (ja) 1995-03-20
US5556681A (en) 1996-09-17
KR950009585A (ko) 1995-04-24
EP0642124A1 (de) 1995-03-08

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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