IL62139A0 - Broadband reflective laser recording and data storage medium with absorptive underlayer - Google Patents

Broadband reflective laser recording and data storage medium with absorptive underlayer

Info

Publication number
IL62139A0
IL62139A0 IL62139A IL6213981A IL62139A0 IL 62139 A0 IL62139 A0 IL 62139A0 IL 62139 A IL62139 A IL 62139A IL 6213981 A IL6213981 A IL 6213981A IL 62139 A0 IL62139 A0 IL 62139A0
Authority
IL
Israel
Prior art keywords
storage medium
data storage
laser recording
reflective laser
broadband reflective
Prior art date
Application number
IL62139A
Other versions
IL62139A (en
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 IL62139A0 publication Critical patent/IL62139A0/en
Publication of IL62139A publication Critical patent/IL62139A/en

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)
  • 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)
IL62139A 1980-02-15 1981-02-15 Process for making a broadband reflective laser recording and data storage medium with absorptive underlayer IL62139A (en)

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
IL62139A0 true IL62139A0 (en) 1981-03-31
IL62139A IL62139A (en) 1984-12-31

Family

ID=26819752

Family Applications (1)

Application Number Title Priority Date Filing Date
IL62139A IL62139A (en) 1980-02-15 1981-02-15 Process for making a broadband reflective laser recording and data storage medium with absorptive underlayer

Country Status (10)

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

Families Citing this family (1)

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

Also Published As

Publication number Publication date
BR8100849A (en) 1981-08-25
NO810481L (en) 1981-08-17
CH650611A5 (en) 1985-07-31
NO157597C (en) 1988-04-13
IL62139A (en) 1984-12-31
DK62781A (en) 1981-08-16
GB2074333B (en) 1984-02-01
NO157597B (en) 1988-01-04
GB2074333A (en) 1981-10-28
MX151078A (en) 1984-09-24
ES8202975A1 (en) 1982-02-01
ES499424A0 (en) 1982-02-01
IT8050136A0 (en) 1980-11-12
IT1174321B (en) 1987-07-01
CA1134508A (en) 1982-10-26

Similar Documents

Publication Publication Date Title
JPS57183641A (en) Optical data storage and laser recording medium
DE3852000D1 (en) Optical recording and playback device with optical storage medium.
JPS5633995A (en) Reflective optical data recording and preserving medium
GB2101788B (en) Recording medium and information record
JPS5649296A (en) Reflective data recording medium
DE3175616D1 (en) Optical disks and recording and reproducing system using the same
GB2170632B (en) Optical information recording medium and apparatus for recording/reproducing information using the same
DE3277512D1 (en) Optical recording and reproducing disc
JPS5567948A (en) Data storing optical disk type recording medium
JPS56134328A (en) Optical device for recording and reading data medium and optical memory system having same device
EP0193931A3 (en) Optical high density recording mediums, method for making same and method for recording optical information in the medium
GB2079031B (en) Optical information record and a method of reversibly recording and erasing information thereon
GB2084786B (en) Variable sensitivity optical recording medium and information record
GB2080598B (en) Optical data storage and recording medium having a replaceable protective coverplate
DE69022289T2 (en) Recording and playback device with a magneto-optical medium.
EP0132137A3 (en) Disc for recording and reproducing optical information
GB2116739B (en) Highly absorptive dye-containing underlayer for laser recording and data storage media
EP0320291A3 (en) Information recording medium and method of recording or reproducing optical information employing the same
DE3685470D1 (en) LASER INFORMATION RECORDING MEDIUM WITH RECORD LAYER.
DE3173458D1 (en) Data recording medium and manufacturing method therefor
GB2142733B (en) Reflective optical data storage and laser recording medium
GB2116737B (en) Method for making a reflective laser recording and data storage medium with a dark underlayer
EP0068801A3 (en) Optical storage medium and method of recording data thereon
GB2086638B (en) Optical recording medium and record
EP0228257A3 (en) Optical data recording and reproducing apparatus with erase function diagnosis