GB2042200B - Laser pyrographic reflective recording medium - Google Patents

Laser pyrographic reflective recording medium

Info

Publication number
GB2042200B
GB2042200B GB8002060A GB8002060A GB2042200B GB 2042200 B GB2042200 B GB 2042200B GB 8002060 A GB8002060 A GB 8002060A GB 8002060 A GB8002060 A GB 8002060A GB 2042200 B GB2042200 B GB 2042200B
Authority
GB
United Kingdom
Prior art keywords
recording medium
reflective recording
pyrographic
laser
laser pyrographic
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
GB8002060A
Other versions
GB2042200A (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.)
Drexler Technology Corp
Original Assignee
Drexler Technology 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 Drexler Technology Corp filed Critical Drexler Technology Corp
Publication of GB2042200A publication Critical patent/GB2042200A/en
Application granted granted Critical
Publication of GB2042200B publication Critical patent/GB2042200B/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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/40—Chemically transforming developed images
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B7/251—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 dispersed in an organic matrix

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Laminated Bodies (AREA)
GB8002060A 1979-02-14 1980-01-22 Laser pyrographic reflective recording medium Expired GB2042200B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1223579A 1979-02-14 1979-02-14

Publications (2)

Publication Number Publication Date
GB2042200A GB2042200A (en) 1980-09-17
GB2042200B true GB2042200B (en) 1983-03-09

Family

ID=21753995

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8002060A Expired GB2042200B (en) 1979-02-14 1980-01-22 Laser pyrographic reflective recording medium

Country Status (6)

Country Link
JP (1) JPS55108995A (en)
BE (1) BE881492A (en)
CA (1) CA1143475A (en)
DE (1) DE3002911C2 (en)
FR (1) FR2449322A1 (en)
GB (1) GB2042200B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132335A (en) * 1980-02-11 1981-10-16 Fuji Photo Film Co Ltd Optical recording medium and its manufacture
GB2081461B (en) * 1980-07-21 1984-03-07 Drexler Tech Double-sided silver halide material
US4385372A (en) * 1981-05-01 1983-05-24 Drexler Technology Corporation Reflective optical data storage and laser recording media having grooved dielectric encoded prerecorded information
EP0080884A3 (en) * 1981-11-27 1984-02-01 Konishiroku Photo Industry Co. Ltd. A recording medium and a method for the production thereof
JPS58224794A (en) * 1982-06-25 1983-12-27 Konishiroku Photo Ind Co Ltd Optical information recording medium
JP2553860B2 (en) * 1987-05-08 1996-11-13 共同印刷株式会社 Optical recording member, method of manufacturing the same, and method of manufacturing optical recording card
DE102004026819A1 (en) * 2004-06-02 2006-01-26 Steag Hamatech Ag Production of a partially reflecting layer of optical data carrier, especially a compact disk or digital versatile disk, comprises applying liquid containing reflecting particles on a surface of a disk-like substrate and drying the liquid

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314073A (en) * 1964-10-20 1967-04-11 Prec Instr Company Laser recorder with vaporizable film
NL162215C (en) * 1967-07-03 Ibm
US3567477A (en) * 1967-11-15 1971-03-02 Du Pont Molybdate orange pigment
US3647456A (en) * 1968-12-23 1972-03-07 Ibm Method of making conductive silver images and emulsion therefor
US3911444A (en) * 1974-04-04 1975-10-07 Bell Telephone Labor Inc Metal film recording media for laser writing
JPS5230850B2 (en) * 1974-10-07 1977-08-11
JPS51105821A (en) * 1975-03-14 1976-09-20 Fuji Photo Film Co Ltd Masukugazono keiseihoho
JPS6015055B2 (en) * 1976-09-06 1985-04-17 富士写真フイルム株式会社 How to form a mask image

Also Published As

Publication number Publication date
CA1143475A (en) 1983-03-22
JPS6326464B2 (en) 1988-05-30
BE881492A (en) 1980-08-01
FR2449322A1 (en) 1980-09-12
DE3002911C2 (en) 1983-12-29
GB2042200A (en) 1980-09-17
DE3002911A1 (en) 1980-09-04
JPS55108995A (en) 1980-08-21
FR2449322B1 (en) 1982-10-08

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Legal Events

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