GB2066490B - Optical recording medium - Google Patents

Optical recording medium

Info

Publication number
GB2066490B
GB2066490B GB7941272A GB7941272A GB2066490B GB 2066490 B GB2066490 B GB 2066490B GB 7941272 A GB7941272 A GB 7941272A GB 7941272 A GB7941272 A GB 7941272A GB 2066490 B GB2066490 B GB 2066490B
Authority
GB
United Kingdom
Prior art keywords
recording medium
optical recording
optical
medium
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
GB7941272A
Other versions
GB2066490A (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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Priority to GB7941272A priority Critical patent/GB2066490B/en
Priority to NLAANVRAGE7908829,A priority patent/NL188398C/en
Priority to FR7930240A priority patent/FR2471714A1/en
Priority to DE19792951341 priority patent/DE2951341A1/en
Publication of GB2066490A publication Critical patent/GB2066490A/en
Application granted granted Critical
Publication of GB2066490B publication Critical patent/GB2066490B/en
Priority to HK78386A priority patent/HK78386A/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
    • G11B7/246—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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
    • 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
    • G11B7/249—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 organometallic compounds
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
GB7941272A 1979-11-29 1979-11-29 Optical recording medium Expired GB2066490B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB7941272A GB2066490B (en) 1979-11-29 1979-11-29 Optical recording medium
NLAANVRAGE7908829,A NL188398C (en) 1979-11-29 1979-12-06 OPTICAL RECORD MEDIUM WITH A REGISTRATION LAYER OF A LIGHT-ABSORBING MATERIAL, IN WHICH AN INFORMATION TRACK OF OPENINGS CAN BE FORMED BY THE ABSORPTION OF A LIGHT BEAM AND AN INFORMATION RECORD CONTAINING THE OPTICAL REGISTRATION MEDIA WITH A DATA IN THE DATA.
FR7930240A FR2471714A1 (en) 1979-11-29 1979-12-10 ABLATION OPTICAL RECORDING MEDIUM FOR USE WITH A RECORDING LASER BEAM AND FOR USE IN A RESTITUTION DEVICE EMPLOYING A REFLECTIVE LIGHT BEAM AT A FREQUENCY GIVEN
DE19792951341 DE2951341A1 (en) 1979-11-29 1979-12-20 OPTICAL RECORD CARRIER
HK78386A HK78386A (en) 1979-11-29 1986-10-16 Optical recording medium

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB7941272A GB2066490B (en) 1979-11-29 1979-11-29 Optical recording medium
NLAANVRAGE7908829,A NL188398C (en) 1979-11-29 1979-12-06 OPTICAL RECORD MEDIUM WITH A REGISTRATION LAYER OF A LIGHT-ABSORBING MATERIAL, IN WHICH AN INFORMATION TRACK OF OPENINGS CAN BE FORMED BY THE ABSORPTION OF A LIGHT BEAM AND AN INFORMATION RECORD CONTAINING THE OPTICAL REGISTRATION MEDIA WITH A DATA IN THE DATA.
FR7930240A FR2471714A1 (en) 1979-11-29 1979-12-10 ABLATION OPTICAL RECORDING MEDIUM FOR USE WITH A RECORDING LASER BEAM AND FOR USE IN A RESTITUTION DEVICE EMPLOYING A REFLECTIVE LIGHT BEAM AT A FREQUENCY GIVEN
DE19792951341 DE2951341A1 (en) 1979-11-29 1979-12-20 OPTICAL RECORD CARRIER

Publications (2)

Publication Number Publication Date
GB2066490A GB2066490A (en) 1981-07-08
GB2066490B true GB2066490B (en) 1983-10-19

Family

ID=27432482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7941272A Expired GB2066490B (en) 1979-11-29 1979-11-29 Optical recording medium

Country Status (4)

Country Link
DE (1) DE2951341A1 (en)
FR (1) FR2471714A1 (en)
GB (1) GB2066490B (en)
NL (1) NL188398C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505751A1 (en) * 1985-02-20 1986-08-21 Basf Ag, 6700 Ludwigshafen NEW TETRAPHENYLDITHIOLE COMPLEXES AND OPTICAL RECORDING MEDIA CONTAINING THESE COMPLEXES
DE3507379A1 (en) * 1985-03-02 1986-11-06 Basf Ag, 6700 Ludwigshafen OPTICAL RECORDING MEDIUM
US4783393A (en) * 1986-10-27 1988-11-08 Eastman Kodak Company Dye mixtures and optical recording elements containing same
US5268478A (en) * 1990-11-30 1993-12-07 Teijin Limited Sulfur compound-coordinate bonded organic coloring matter, compositions of same, and photorecording media containing same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588216A (en) * 1966-09-02 1971-06-28 Polaroid Corp Plastic optical elements
JPS5932319B2 (en) * 1974-03-22 1984-08-08 富士写真フイルム株式会社 recording material
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record

Also Published As

Publication number Publication date
GB2066490A (en) 1981-07-08
FR2471714B1 (en) 1983-07-18
FR2471714A1 (en) 1981-06-19
DE2951341A1 (en) 1981-06-25
NL188398B (en) 1992-01-16
NL7908829A (en) 1981-07-01
NL188398C (en) 1992-06-16
DE2951341C2 (en) 1988-07-07

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19991128