CA1143475A - Laser pyrographic reflective recording medium - Google Patents

Laser pyrographic reflective recording medium

Info

Publication number
CA1143475A
CA1143475A CA000344824A CA344824A CA1143475A CA 1143475 A CA1143475 A CA 1143475A CA 000344824 A CA000344824 A CA 000344824A CA 344824 A CA344824 A CA 344824A CA 1143475 A CA1143475 A CA 1143475A
Authority
CA
Canada
Prior art keywords
silver
reflective
recording
coating
laser
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
CA000344824A
Other languages
English (en)
French (fr)
Inventor
Jerome Drexler
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
Application granted granted Critical
Publication of CA1143475A publication Critical patent/CA1143475A/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)
CA000344824A 1979-02-14 1980-01-31 Laser pyrographic reflective recording medium Expired CA1143475A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1223579A 1979-02-14 1979-02-14
US012,235 1979-02-14

Publications (1)

Publication Number Publication Date
CA1143475A true CA1143475A (en) 1983-03-22

Family

ID=21753995

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000344824A Expired CA1143475A (en) 1979-02-14 1980-01-31 Laser pyrographic reflective recording medium

Country Status (6)

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

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 (ja) * 1982-06-25 1983-12-27 Konishiroku Photo Ind Co Ltd 光学的情報記録媒体の製造方法
JP2553860B2 (ja) * 1987-05-08 1996-11-13 共同印刷株式会社 光記録部材及びその製造方法並びに光記録カ−ドの製造方法
DE102004026819A1 (de) * 2004-06-02 2006-01-26 Steag Hamatech Ag Verfahren zum Herstellen einer wenigstens teilweisen reflektierenden Schicht eines optischen Datenträgers

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 (bs) * 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 (bs) * 1974-10-07 1977-08-11
JPS51105821A (en) * 1975-03-14 1976-09-20 Fuji Photo Film Co Ltd Masukugazono keiseihoho
JPS6015055B2 (ja) * 1976-09-06 1985-04-17 富士写真フイルム株式会社 マスク画像の形成方法

Also Published As

Publication number Publication date
FR2449322B1 (bs) 1982-10-08
JPS6326464B2 (bs) 1988-05-30
GB2042200A (en) 1980-09-17
DE3002911C2 (de) 1983-12-29
DE3002911A1 (de) 1980-09-04
BE881492A (fr) 1980-08-01
FR2449322A1 (fr) 1980-09-12
GB2042200B (en) 1983-03-09
JPS55108995A (en) 1980-08-21

Similar Documents

Publication Publication Date Title
US4314260A (en) Laser pyrographic reflective recording layer in a carbon containing absorptive matrix
US4269917A (en) Data storage medium having reflective particulate silver layer
US4278756A (en) Reflective data storage medium made by silver diffusion transfer
US4278758A (en) Process for making a reflective data storage medium
CA1139354A (en) Thermal deformation record device
CA1289359C (en) Optical recording medium, method of producing the same and method of producing the optical recording card
US4298684A (en) Reflective data storage medium made by silver diffusion transfer in silver-halide emulsion incorporating nuclei
JPS59229756A (ja) 光学的記録媒体に記録された情報を複製する方法
US5738960A (en) Optical information reproducing method
US4837134A (en) Optical memory card with versatile storage medium
GB2102134A (en) Reflective optical data storage and laser recording media having grooved dielectric encoded prerecorded information
JPH0512715A (ja) 光記録媒体
US4762770A (en) High contrast optical memory disk
CA1143475A (en) Laser pyrographic reflective recording medium
EP0103892B1 (en) Optical recording medium and method of making same
GB2121588A (en) Optical data recording disc
JPH01503814A (ja) 光学データ記憶体
US5286583A (en) Method of manufacturing a photomask for an optical memory
CA1330837C (en) Method of producing masks for rom type optical recording cards and method of inspecting masks
JPS5898289A (ja) 光学的情報記録媒体
GB2058380A (en) Process for making a reflective data storage medium
JP2648586B2 (ja) 記録媒体
WO1988008120A1 (en) Optical memory card with versatile storage medium
JPS58177538A (ja) 光学的記録原盤
GB2101759A (en) Reflective data storage medium

Legal Events

Date Code Title Description
MKEX Expiry