NL8502448A - Optisch uitleesbare informatieschijf. - Google Patents

Optisch uitleesbare informatieschijf. Download PDF

Info

Publication number
NL8502448A
NL8502448A NL8502448A NL8502448A NL8502448A NL 8502448 A NL8502448 A NL 8502448A NL 8502448 A NL8502448 A NL 8502448A NL 8502448 A NL8502448 A NL 8502448A NL 8502448 A NL8502448 A NL 8502448A
Authority
NL
Netherlands
Prior art keywords
optically readable
plate
information
readable information
substrate
Prior art date
Application number
NL8502448A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8502448A priority Critical patent/NL8502448A/nl
Priority to US06/824,993 priority patent/US4668549A/en
Priority to EP86201497A priority patent/EP0218276A1/de
Priority to JP61206054A priority patent/JPS62103601A/ja
Publication of NL8502448A publication Critical patent/NL8502448A/nl

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
    • 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 System, 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
    • G11B7/253—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
    • G11B7/258—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
    • G11B7/259—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 silver
    • 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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
NL8502448A 1985-09-06 1985-09-06 Optisch uitleesbare informatieschijf. NL8502448A (nl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL8502448A NL8502448A (nl) 1985-09-06 1985-09-06 Optisch uitleesbare informatieschijf.
US06/824,993 US4668549A (en) 1985-09-06 1986-02-03 Optically readable information disc
EP86201497A EP0218276A1 (de) 1985-09-06 1986-09-01 Optisch lesbare Informationsplatte
JP61206054A JPS62103601A (ja) 1985-09-06 1986-09-03 光学的に読取り可能な情報デイスク

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8502448 1985-09-06
NL8502448A NL8502448A (nl) 1985-09-06 1985-09-06 Optisch uitleesbare informatieschijf.

Publications (1)

Publication Number Publication Date
NL8502448A true NL8502448A (nl) 1987-04-01

Family

ID=19846518

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8502448A NL8502448A (nl) 1985-09-06 1985-09-06 Optisch uitleesbare informatieschijf.

Country Status (4)

Country Link
US (1) US4668549A (de)
EP (1) EP0218276A1 (de)
JP (1) JPS62103601A (de)
NL (1) NL8502448A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4950520A (en) * 1985-12-27 1990-08-21 Pioneer Electronic Corporation Optical recording medium and method manufacturing thereof
FR2604553A1 (fr) * 1986-09-29 1988-04-01 Rhone Poulenc Chimie Substrat polymere rigide pour disque optique et les disques optiques obtenus a partir dudit substrat
EP0296472B1 (de) * 1987-06-26 1994-06-01 Bayer Ag Verwendung von doppelbrechungsarmen Formmassen für Datenspeicher
JP3160632B2 (ja) * 1991-09-27 2001-04-25 ソニー株式会社 光ディスクとその再生方法
WO2006116885A1 (en) * 2005-05-02 2006-11-09 Unaxis Balzers Ag Reusable stamper for optical disk
JP6871472B1 (ja) * 2019-12-24 2021-05-12 信越ポリマー株式会社 アロイ樹脂

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL129755C (de) * 1963-03-29 1900-01-01
JPS5618022B2 (de) * 1973-06-07 1981-04-25
DE2966968D1 (en) * 1978-08-28 1984-06-14 Discovision Ass Method for moulding a videodisc composition
US4423427A (en) * 1982-04-26 1983-12-27 Rca Corporation Substrate for optical recording media and information records

Also Published As

Publication number Publication date
JPS62103601A (ja) 1987-05-14
EP0218276A1 (de) 1987-04-15
US4668549A (en) 1987-05-26

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Legal Events

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A1B A search report has been drawn up
BV The patent application has lapsed