FR2471649B1 - OPTICAL ABLATION RECORDING MEDIUM - Google Patents

OPTICAL ABLATION RECORDING MEDIUM

Info

Publication number
FR2471649B1
FR2471649B1 FR7930239A FR7930239A FR2471649B1 FR 2471649 B1 FR2471649 B1 FR 2471649B1 FR 7930239 A FR7930239 A FR 7930239A FR 7930239 A FR7930239 A FR 7930239A FR 2471649 B1 FR2471649 B1 FR 2471649B1
Authority
FR
France
Prior art keywords
recording medium
optical ablation
ablation recording
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
Application number
FR7930239A
Other languages
French (fr)
Other versions
FR2471649A1 (en
Inventor
Allen Bloom
William Joseph Burke
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
Priority to GB7941271A priority Critical patent/GB2066489B/en
Priority claimed from GB7941271A external-priority patent/GB2066489B/en
Priority claimed from NL7908830A external-priority patent/NL191910C/en
Application filed by RCA Corp filed Critical RCA Corp
Priority to FR7930239A priority patent/FR2471649B1/en
Priority to DE19792951340 priority patent/DE2951340A1/en
Publication of FR2471649A1 publication Critical patent/FR2471649A1/en
Application granted granted Critical
Publication of FR2471649B1 publication Critical patent/FR2471649B1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B7/248—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 porphines; azaporphines, e.g. phthalocyanines
FR7930239A 1979-11-29 1979-12-10 OPTICAL ABLATION RECORDING MEDIUM Expired FR2471649B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB7941271A GB2066489B (en) 1979-11-29 1979-11-29 Ablative optical recording medium
FR7930239A FR2471649B1 (en) 1979-11-29 1979-12-10 OPTICAL ABLATION RECORDING MEDIUM
DE19792951340 DE2951340A1 (en) 1979-11-29 1979-12-20 OPTICAL RECORD CARRIER

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB7941271A GB2066489B (en) 1979-11-29 1979-11-29 Ablative optical recording medium
NL7908830A NL191910C (en) 1979-12-06 1979-12-06 Ablative optical recording medium, comprising a light-reflecting material, coated with a layer of a light-absorbing dye.
FR7930239A FR2471649B1 (en) 1979-11-29 1979-12-10 OPTICAL ABLATION RECORDING MEDIUM
DE19792951340 DE2951340A1 (en) 1979-11-29 1979-12-20 OPTICAL RECORD CARRIER

Publications (2)

Publication Number Publication Date
FR2471649A1 FR2471649A1 (en) 1981-06-19
FR2471649B1 true FR2471649B1 (en) 1987-02-13

Family

ID=27432481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7930239A Expired FR2471649B1 (en) 1979-11-29 1979-12-10 OPTICAL ABLATION RECORDING MEDIUM

Country Status (2)

Country Link
DE (1) DE2951340A1 (en)
FR (1) FR2471649B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446418A1 (en) * 1984-12-20 1986-06-26 Basf Ag, 6700 Ludwigshafen OPTICAL RECORDING MEDIUM AND METHOD FOR PRODUCING THE SAME
US4783386A (en) * 1987-01-12 1988-11-08 Hoechst Celanese Corporation Use of anthracyanine and phenanthracyanine chromophores in optical information media
TW421791B (en) * 1997-03-31 2001-02-11 Matsushita Electric Ind Co Ltd Optical recording medium and production process for the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA937280A (en) * 1970-06-16 1973-11-20 Honjo Satoru Method of marking
US3888875A (en) * 1973-08-29 1975-06-10 Polaroid Corp Novel processes for photographic products
AU511031B2 (en) * 1976-03-19 1980-07-24 Rca Corp. Ablative optical recording medium
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record
DE2826122A1 (en) * 1977-06-14 1978-12-21 Fuji Photo Film Co Ltd RECORDING MATERIAL
NL7809159A (en) * 1977-09-29 1979-04-02 Philips Nv INFORMATION REGISTRATION ELEMENT WITH DYE CONTAINING AUXILIARY LAYER.

Also Published As

Publication number Publication date
FR2471649A1 (en) 1981-06-19
DE2951340A1 (en) 1981-06-25

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