CA1134508A - Support d'enregistrement et de stockage de donnees par laser a large bande, avec sous-couche absorbante - Google Patents

Support d'enregistrement et de stockage de donnees par laser a large bande, avec sous-couche absorbante

Info

Publication number
CA1134508A
CA1134508A CA000355411A CA355411A CA1134508A CA 1134508 A CA1134508 A CA 1134508A CA 000355411 A CA000355411 A CA 000355411A CA 355411 A CA355411 A CA 355411A CA 1134508 A CA1134508 A CA 1134508A
Authority
CA
Canada
Prior art keywords
silver
layer
medium
halide
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
CA000355411A
Other languages
English (en)
Inventor
Eric Bouldin
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
Priority claimed from US06/140,136 external-priority patent/US4284716A/en
Application filed by Drexler Technology Corp filed Critical Drexler Technology Corp
Application granted granted Critical
Publication of CA1134508A publication Critical patent/CA1134508A/fr
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
    • G11B7/004—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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
    • 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
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B7/28—Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CA000355411A 1980-02-15 1980-07-04 Support d'enregistrement et de stockage de donnees par laser a large bande, avec sous-couche absorbante Expired CA1134508A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US12173280A 1980-02-15 1980-02-15
US121,732 1980-02-15
US140,136 1980-04-14
US06/140,136 US4284716A (en) 1979-07-06 1980-04-14 Broadband reflective laser recording and data storage medium with absorptive underlayer

Publications (1)

Publication Number Publication Date
CA1134508A true CA1134508A (fr) 1982-10-26

Family

ID=26819752

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000355411A Expired CA1134508A (fr) 1980-02-15 1980-07-04 Support d'enregistrement et de stockage de donnees par laser a large bande, avec sous-couche absorbante

Country Status (10)

Country Link
BR (1) BR8100849A (fr)
CA (1) CA1134508A (fr)
CH (1) CH650611A5 (fr)
DK (1) DK62781A (fr)
ES (1) ES499424A0 (fr)
GB (1) GB2074333B (fr)
IL (1) IL62139A (fr)
IT (1) IT1174321B (fr)
MX (1) MX151078A (fr)
NO (1) NO157597C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933192A (ja) * 1982-08-18 1984-02-22 Konishiroku Photo Ind Co Ltd 記録媒体

Also Published As

Publication number Publication date
BR8100849A (pt) 1981-08-25
NO810481L (no) 1981-08-17
CH650611A5 (fr) 1985-07-31
NO157597C (no) 1988-04-13
IL62139A (en) 1984-12-31
DK62781A (da) 1981-08-16
GB2074333B (en) 1984-02-01
NO157597B (no) 1988-01-04
GB2074333A (en) 1981-10-28
MX151078A (es) 1984-09-24
ES8202975A1 (es) 1982-02-01
ES499424A0 (es) 1982-02-01
IT8050136A0 (it) 1980-11-12
IT1174321B (it) 1987-07-01
IL62139A0 (en) 1981-03-31

Similar Documents

Publication Publication Date Title
US4312938A (en) Method for making a broadband reflective laser recording and data storage medium with absorptive underlayer
US4284716A (en) Broadband reflective laser recording and data storage medium with absorptive underlayer
US4269917A (en) Data storage medium having reflective particulate silver layer
CA1147462A (fr) Support d'enregistrement de donnees reflechissant fabrique par transfert d'argent par diffusion
US4278758A (en) Process for making a reflective data storage medium
US4298684A (en) Reflective data storage medium made by silver diffusion transfer in silver-halide emulsion incorporating nuclei
US4343879A (en) Multiple layer optical data storage and recording media
US4383024A (en) Method of making a highly absorptive dye-containing underlayer for laser recording and data storage
US4363870A (en) Method for making a reflective laser recording and data storage medium with a dark underlayer
US4463089A (en) Reflective optical data storage and laser recording medium
CA1134508A (fr) Support d'enregistrement et de stockage de donnees par laser a large bande, avec sous-couche absorbante
CA1137345A (fr) Methode de fabrication d'un support de stockage de donnees reflechissant
IE50844B1 (en) A broadband reflective laser recording and data storage medium with absorptive underlayer
GB2101759A (en) Reflective data storage medium
CA1134949A (fr) Methode de duplication photographique de donnees enregistrees sur un support optique
JPS59502139A (ja) 反射性光学デ−タ記憶とレ−ザ記録の媒体
JPH0452237B2 (fr)
NL8006248A (nl) Reflecterend medium voor het opslaan van gegevens en werkwijze ter vervaardiging hiervan.
JPS58147825A (ja) 光学的情報記録媒体
JPS58188346A (ja) 反射性の光データ記録媒体

Legal Events

Date Code Title Description
MKEX Expiry