HK78792A - Optical recording medium,process for its manufacture and its use as read only memory information carrier - Google Patents

Optical recording medium,process for its manufacture and its use as read only memory information carrier

Info

Publication number
HK78792A
HK78792A HK787/92A HK78792A HK78792A HK 78792 A HK78792 A HK 78792A HK 787/92 A HK787/92 A HK 787/92A HK 78792 A HK78792 A HK 78792A HK 78792 A HK78792 A HK 78792A
Authority
HK
Hong Kong
Prior art keywords
read
manufacture
recording medium
optical recording
information carrier
Prior art date
Application number
HK787/92A
Other languages
English (en)
Inventor
Wolfgang Schrott
Peter Neumann
Peter Hauser
Gerhard Wagenblast
Original Assignee
Basf Ag
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
Priority claimed from DE19863600902 external-priority patent/DE3600902A1/de
Priority claimed from DE19863608213 external-priority patent/DE3608213A1/de
Application filed by Basf Ag filed Critical Basf Ag
Publication of HK78792A publication Critical patent/HK78792A/xx

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
    • G11B7/243—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
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24328—Carbon
    • 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
    • G11B7/247—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 methine or polymethine dyes
    • G11B7/2472—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 methine or polymethine dyes cyanine
    • 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
    • G11B7/253—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Laminated Bodies (AREA)
HK787/92A 1986-01-15 1992-10-15 Optical recording medium,process for its manufacture and its use as read only memory information carrier HK78792A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863600902 DE3600902A1 (de) 1986-01-15 1986-01-15 Optisches aufzeichnungsmedium und verfahren zu seiner herstellung
DE19863608213 DE3608213A1 (de) 1986-03-12 1986-03-12 Verwendung eines graphit als speicherschicht enthaltenden aufzeichnungsmediums als read only memory-informationstraeger

Publications (1)

Publication Number Publication Date
HK78792A true HK78792A (en) 1992-10-23

Family

ID=25840115

Family Applications (1)

Application Number Title Priority Date Filing Date
HK787/92A HK78792A (en) 1986-01-15 1992-10-15 Optical recording medium,process for its manufacture and its use as read only memory information carrier

Country Status (9)

Country Link
US (1) US4829509A (xx)
EP (1) EP0229650B1 (xx)
KR (1) KR870007489A (xx)
AU (1) AU587520B2 (xx)
BR (1) BR8700126A (xx)
CA (1) CA1269838A (xx)
DE (1) DE3774582D1 (xx)
HK (1) HK78792A (xx)
SG (1) SG11192G (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3704122A1 (de) * 1987-02-11 1988-08-25 Basf Ag Optisches aufzeichnungsmedium, enthaltend reflektierenden graphit als substrat
US5080467A (en) * 1989-03-03 1992-01-14 Greyhawk Systems, Inc Biphenyl derivatives for photostabilization in pulsed optical darkening apparatus and method
JP2804130B2 (ja) * 1989-12-06 1998-09-24 株式会社日立製作所 情報処理装置
US20070116988A1 (en) * 2005-11-21 2007-05-24 Wisnudel Marc B Optical article having anti-theft feature and a system and method for inhibiting theft of same
US20070122735A1 (en) * 2005-11-30 2007-05-31 Wisnudel Marc B Optical storage device having limited-use content and method for making same
US8488428B2 (en) * 2008-05-14 2013-07-16 Nbcuniversal Media, Llc Enhanced security of optical article

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB991581A (en) * 1962-03-21 1965-05-12 High Temperature Materials Inc Expanded pyrolytic graphite and process for producing the same
US3656175A (en) * 1969-06-16 1972-04-11 Ncr Co Semiconductor diode laser recorder
GB1316398A (en) * 1970-10-12 1973-05-09 Ncr Co Record medium and method of recording thereon
US3954469A (en) * 1973-10-01 1976-05-04 Mca Disco-Vision, Inc. Method of creating a replicating matrix
US4245003A (en) * 1979-08-17 1981-01-13 James River Graphics, Inc. Coated transparent film for laser imaging
JPS5718031A (en) * 1980-07-08 1982-01-29 Sony Corp Optical information recording and reproducing method
US4363844A (en) * 1980-09-22 1982-12-14 Lewis Terry W Metallized information carrying discs
US4430659A (en) * 1981-02-13 1984-02-07 Minnesota Mining And Manufacturing Company Protuberant optical recording medium
JPS5933320B2 (ja) * 1981-04-03 1984-08-15 株式会社東芝 光学的情報記録媒体
JPS58185293A (ja) * 1982-04-26 1983-10-28 Nippon Telegr & Teleph Corp <Ntt> 光記憶用薄膜
US4588674A (en) * 1982-10-14 1986-05-13 Stewart Malcolm J Laser imaging materials comprising carbon black in overlayer
JPS59198546A (ja) * 1983-04-27 1984-11-10 Nippon Telegr & Teleph Corp <Ntt> 光デイスク用アルミニウム基板およびその製造方法
GB8410515D0 (en) * 1984-04-25 1984-05-31 Ici Plc Laser-imageable assembly
JPS6253884A (ja) * 1985-09-02 1987-03-09 Kao Corp 光学記録媒体

Also Published As

Publication number Publication date
US4829509A (en) 1989-05-09
SG11192G (en) 1992-04-16
EP0229650A3 (en) 1989-04-12
DE3774582D1 (de) 1992-01-02
AU6755787A (en) 1987-07-16
CA1269838A (en) 1990-06-05
AU587520B2 (en) 1989-08-17
BR8700126A (pt) 1987-12-01
EP0229650A2 (de) 1987-07-22
KR870007489A (ko) 1987-08-19
EP0229650B1 (de) 1991-11-21

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