IT1174321B - Suppoto riffletente a larga banda di registrazione laser e di immagazzionamento di dati - Google Patents

Suppoto riffletente a larga banda di registrazione laser e di immagazzionamento di dati

Info

Publication number
IT1174321B
IT1174321B IT50136/80A IT5013680A IT1174321B IT 1174321 B IT1174321 B IT 1174321B IT 50136/80 A IT50136/80 A IT 50136/80A IT 5013680 A IT5013680 A IT 5013680A IT 1174321 B IT1174321 B IT 1174321B
Authority
IT
Italy
Prior art keywords
band
data storage
laser recording
reflective laser
wide band
Prior art date
Application number
IT50136/80A
Other languages
English (en)
Italian (it)
Other versions
IT8050136A0 (it
Inventor
Jerome Drexler
Eric Bouldin
Original Assignee
Drexler Tech
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 Tech filed Critical Drexler Tech
Publication of IT8050136A0 publication Critical patent/IT8050136A0/it
Application granted granted Critical
Publication of IT1174321B publication Critical patent/IT1174321B/it

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C8/00Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02Photosensitive materials characterised by the image-forming section
    • G03C8/04Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals
    • G03C8/06Silver salt diffusion transfer
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/40Chemically transforming developed images
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/007Arrangement 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
    • G11B7/013Arrangement 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/251Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26Apparatus or processes specially adapted for the manufacture of record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/28Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04Digital 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
    • G11C13/048Digital 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)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
IT50136/80A 1980-02-15 1980-11-12 Suppoto riffletente a larga banda di registrazione laser e di immagazzionamento di dati IT1174321B (it)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
IT8050136A0 IT8050136A0 (it) 1980-11-12
IT1174321B true IT1174321B (it) 1987-07-01

Family

ID=26819752

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50136/80A IT1174321B (it) 1980-02-15 1980-11-12 Suppoto riffletente a larga banda di registrazione laser e di immagazzionamento di dati

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
IL62139A (en) 1984-12-31
DK62781A (da) 1981-08-16
GB2074333A (en) 1981-10-28
NO810481L (no) 1981-08-17
IL62139A0 (en) 1981-03-31
NO157597C (no) 1988-04-13
ES8202975A1 (es) 1982-02-01
IT8050136A0 (it) 1980-11-12
GB2074333B (en) 1984-02-01
BR8100849A (pt) 1981-08-25
CA1134508A (fr) 1982-10-26
MX151078A (es) 1984-09-24
ES499424A0 (es) 1982-02-01
NO157597B (no) 1988-01-04
CH650611A5 (fr) 1985-07-31

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