GB2055218B - Optical recording member - Google Patents

Optical recording member

Info

Publication number
GB2055218B
GB2055218B GB8018364A GB8018364A GB2055218B GB 2055218 B GB2055218 B GB 2055218B GB 8018364 A GB8018364 A GB 8018364A GB 8018364 A GB8018364 A GB 8018364A GB 2055218 B GB2055218 B GB 2055218B
Authority
GB
United Kingdom
Prior art keywords
optical recording
recording member
optical
recording
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
Application number
GB8018364A
Other versions
GB2055218A (en
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of GB2055218A publication Critical patent/GB2055218A/en
Application granted granted Critical
Publication of GB2055218B publication Critical patent/GB2055218B/en
Expired 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
    • G11B7/242—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
    • G11B7/244—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 organic materials only
    • G11B7/245—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 organic materials only containing a polymeric component
    • 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
    • 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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B7/244—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 organic materials only
    • 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
    • G11B7/244—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 organic materials only
    • G11B7/246—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 organic materials only containing dyes
    • 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
    • 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
    • G11B7/258—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
GB8018364A 1979-06-04 1980-06-04 Optical recording member Expired GB2055218B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4502279A 1979-06-04 1979-06-04

Publications (2)

Publication Number Publication Date
GB2055218A GB2055218A (en) 1981-02-25
GB2055218B true GB2055218B (en) 1983-09-07

Family

ID=21935588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8018364A Expired GB2055218B (en) 1979-06-04 1980-06-04 Optical recording member

Country Status (4)

Country Link
JP (1) JPS55161690A (en)
CA (1) CA1127945A (en)
DE (1) DE3014677A1 (en)
GB (1) GB2055218B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048736C2 (en) * 1980-12-23 1982-09-30 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Identity card and process for its production
JPS57167141A (en) * 1981-04-07 1982-10-14 Tdk Corp Optical recording device
JPS5811196A (en) * 1981-07-14 1983-01-21 Tdk Corp Beam recording medium
DE3151407C1 (en) * 1981-12-24 1983-10-13 GAO Gesellschaft für Automation und Organisation mbH, 8000 München ID card and process for its manufacture
JPH0611586B2 (en) * 1982-03-31 1994-02-16 株式会社リコー Optical recording medium
CA1192662A (en) * 1982-06-21 1985-08-27 James E. Kuder Erasable recording medium comprising a dimer acid polyamide resin
CA1192307A (en) * 1982-06-21 1985-08-20 Anthony J. East Erasable optical recording medium
JPS5989431U (en) * 1982-12-08 1984-06-16 沖電気工業株式会社 optical recording medium
US4809022A (en) * 1983-06-27 1989-02-28 Optical Disc Corporation Direct read after write optical storage medium
EP0130026B1 (en) * 1983-06-27 1990-05-02 Optical Disc Corporation High contrast thin film optical recording medium
US4963901A (en) * 1983-06-27 1990-10-16 Optical Disc Corporation Direct read after write optical storage medium and information storage system
JPS6154054A (en) * 1984-08-23 1986-03-18 Matsushita Electric Ind Co Ltd Plate information recording medium
DE3608214A1 (en) * 1986-03-12 1987-09-17 Basf Ag NAPHTHOLACTAM DYES AND OPTICAL RECORDING MEDIA CONTAINING THEM
CH670723A5 (en) * 1986-07-30 1989-06-30 Ciba Geigy Ag
CH670912A5 (en) * 1986-07-30 1989-07-14 Ciba Geigy Ag
JPS63158540A (en) * 1986-12-23 1988-07-01 Agency Of Ind Science & Technol Optical recording material
JPH03263040A (en) * 1990-03-13 1991-11-22 Mitsubishi Paper Mills Ltd Image forming method
EP1728817A1 (en) * 2005-06-03 2006-12-06 Rafael - Armament Development Authority Ltd. Anti-reflective coating for laser beams

Also Published As

Publication number Publication date
GB2055218A (en) 1981-02-25
CA1127945A (en) 1982-07-20
DE3014677A1 (en) 1980-12-11
JPS55161690A (en) 1980-12-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee