IT1083923B - Videodischi e procedimento per la loro produzione - Google Patents

Videodischi e procedimento per la loro produzione

Info

Publication number
IT1083923B
IT1083923B IT2669577A IT2669577A IT1083923B IT 1083923 B IT1083923 B IT 1083923B IT 2669577 A IT2669577 A IT 2669577A IT 2669577 A IT2669577 A IT 2669577A IT 1083923 B IT1083923 B IT 1083923B
Authority
IT
Italy
Prior art keywords
procedure
production
video disks
disks
video
Prior art date
Application number
IT2669577A
Other languages
English (en)
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of IT1083923B publication Critical patent/IT1083923B/it

Links

Classifications

    • 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
    • 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
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • 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
    • G03C5/18Diazo-type processes, e.g. thermal development, or agents therefor
    • 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
    • G11B7/261Preparing a master, e.g. exposing photoresist, electroforming

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
IT2669577A 1976-08-16 1977-08-12 Videodischi e procedimento per la loro produzione IT1083923B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71501776A 1976-08-16 1976-08-16

Publications (1)

Publication Number Publication Date
IT1083923B true IT1083923B (it) 1985-05-25

Family

ID=24872370

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2669577A IT1083923B (it) 1976-08-16 1977-08-12 Videodischi e procedimento per la loro produzione

Country Status (8)

Country Link
JP (1) JPS5323605A (it)
AU (1) AU513067B2 (it)
BE (1) BE857828A (it)
CA (1) CA1171959A (it)
CH (1) CH616797A5 (it)
GB (1) GB1590795A (it)
IT (1) IT1083923B (it)
SE (1) SE435215B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724038A (en) * 1980-07-18 1982-02-08 Sony Corp Information recording member
JPS5826335A (ja) * 1981-08-07 1983-02-16 Toppan Printing Co Ltd 情報記録デイスクの複製方法

Also Published As

Publication number Publication date
AU2788077A (en) 1979-02-22
GB1590795A (en) 1981-06-10
CH616797A5 (en) 1980-04-15
SE435215B (sv) 1984-09-10
JPS5323605A (en) 1978-03-04
BE857828A (fr) 1978-02-16
SE7709187L (sv) 1978-02-17
AU513067B2 (en) 1980-11-13
CA1171959A (en) 1984-07-31

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