GB2058380B - Process for making a reflective data storage medium - Google Patents

Process for making a reflective data storage medium

Info

Publication number
GB2058380B
GB2058380B GB8020795A GB8020795A GB2058380B GB 2058380 B GB2058380 B GB 2058380B GB 8020795 A GB8020795 A GB 8020795A GB 8020795 A GB8020795 A GB 8020795A GB 2058380 B GB2058380 B GB 2058380B
Authority
GB
United Kingdom
Prior art keywords
making
storage medium
data storage
reflective data
reflective
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
GB8020795A
Other versions
GB2058380A (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
Priority claimed from US06/072,908 external-priority patent/US4278758A/en
Application filed by Drexler Technology Corp filed Critical Drexler Technology Corp
Publication of GB2058380A publication Critical patent/GB2058380A/en
Application granted granted Critical
Publication of GB2058380B publication Critical patent/GB2058380B/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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/04—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals
    • G03C8/06—Silver salt diffusion transfer
    • 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
    • G11B7/24—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
    • G11B7/251—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)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
GB8020795A 1979-09-06 1980-06-25 Process for making a reflective data storage medium Expired GB2058380B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/072,908 US4278758A (en) 1979-07-06 1979-09-06 Process for making a reflective data storage medium

Publications (2)

Publication Number Publication Date
GB2058380A GB2058380A (en) 1981-04-08
GB2058380B true GB2058380B (en) 1983-06-08

Family

ID=22110481

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8020795A Expired GB2058380B (en) 1979-09-06 1980-06-25 Process for making a reflective data storage medium

Country Status (6)

Country Link
JP (1) JPS5649297A (en)
BE (1) BE884169A (en)
CA (1) CA1137345A (en)
DE (1) DE3025459C2 (en)
FR (1) FR2461324B1 (en)
GB (1) GB2058380B (en)

Families Citing this family (5)

* 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
JPS5774846A (en) * 1980-10-28 1982-05-11 Toshiba Corp Information storing medium
FR2504301A1 (en) * 1981-04-15 1982-10-22 Thomson Csf Optical read and write system for master disc - has galvanometric mirror positioned by motor to provide radial servo control for laser beam spot
EP0080884A3 (en) * 1981-11-27 1984-02-01 Konishiroku Photo Industry Co. Ltd. A recording medium and a method for the production thereof
JPS58183295A (en) * 1982-04-20 1983-10-26 Konishiroku Photo Ind Co Ltd Optical information recording medium

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE594237A (en) * 1959-08-24
FR1316402A (en) * 1961-03-09 1963-01-25 Polaroid Corp Photographic products, processes and compositions
US3314073A (en) * 1964-10-20 1967-04-11 Prec Instr Company Laser recorder with vaporizable film
FR1480693A (en) * 1965-05-19 1967-05-12 Agfa Gevaert Ag Process for the production of photographic images
US3464822A (en) * 1965-09-13 1969-09-02 Du Pont Process for making electrically conductive images
US3647456A (en) * 1968-12-23 1972-03-07 Ibm Method of making conductive silver images and emulsion therefor
JPS5230850B2 (en) * 1974-10-07 1977-08-11

Also Published As

Publication number Publication date
FR2461324B1 (en) 1985-06-28
CA1137345A (en) 1982-12-14
JPS5649297A (en) 1981-05-02
DE3025459C2 (en) 1984-08-09
DE3025459A1 (en) 1981-03-12
FR2461324A1 (en) 1981-01-30
GB2058380A (en) 1981-04-08
BE884169A (en) 1981-01-05

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Legal Events

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