IT1059476B - Materiale sensibile alle radiazioni..particolarmente per la registrazione di segnali audio e video - Google Patents

Materiale sensibile alle radiazioni..particolarmente per la registrazione di segnali audio e video

Info

Publication number
IT1059476B
IT1059476B IT67943/76A IT6794376A IT1059476B IT 1059476 B IT1059476 B IT 1059476B IT 67943/76 A IT67943/76 A IT 67943/76A IT 6794376 A IT6794376 A IT 6794376A IT 1059476 B IT1059476 B IT 1059476B
Authority
IT
Italy
Prior art keywords
audio
radiation
recording
video signals
material sensitive
Prior art date
Application number
IT67943/76A
Other languages
English (en)
Italian (it)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1059476B publication Critical patent/IT1059476B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/18Working by laser beam, e.g. welding, cutting or boring using absorbing layers on the workpiece, e.g. for marking or protecting purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/009Working by laser beam, e.g. welding, cutting or boring using a non-absorbing, e.g. transparent, reflective or refractive, layer on the workpiece
    • 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
    • G03C1/705Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances, e.g. photodope systems
    • 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
    • G11B7/243Record 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 only, e.g. ablative layers
    • 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
    • G11B7/243Record 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 only, e.g. ablative layers
    • G11B2007/24302Metals or metalloids
    • G11B2007/24314Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B7/243Record 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 only, e.g. ablative layers
    • G11B2007/24302Metals or metalloids
    • G11B2007/24316Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
IT67943/76A 1975-04-23 1976-04-20 Materiale sensibile alle radiazioni..particolarmente per la registrazione di segnali audio e video IT1059476B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7504783A NL7504783A (nl) 1975-04-23 1975-04-23 Stralingsgevoelig materiaal.

Publications (1)

Publication Number Publication Date
IT1059476B true IT1059476B (it) 1982-05-31

Family

ID=19823637

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67943/76A IT1059476B (it) 1975-04-23 1976-04-20 Materiale sensibile alle radiazioni..particolarmente per la registrazione di segnali audio e video

Country Status (13)

Country Link
JP (1) JPS51130201A (Direct)
AT (1) AT354124B (Direct)
AU (1) AU506563B2 (Direct)
BE (1) BE840968A (Direct)
CH (1) CH621643A5 (Direct)
DE (1) DE2615839A1 (Direct)
DK (1) DK99176A (Direct)
ES (1) ES447209A1 (Direct)
FR (1) FR2309010A1 (Direct)
GB (1) GB1544185A (Direct)
IT (1) IT1059476B (Direct)
NL (1) NL7504783A (Direct)
SE (1) SE413210B (Direct)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133305A (en) * 1978-04-07 1979-10-17 Hitachi Ltd Information recorder

Also Published As

Publication number Publication date
AU506563B2 (en) 1980-01-10
FR2309010B1 (Direct) 1982-02-12
ATA285776A (de) 1979-05-15
ES447209A1 (es) 1977-11-01
SE7602107L (sv) 1976-10-24
BE840968A (fr) 1976-10-21
SE413210B (sv) 1980-04-28
AT354124B (de) 1979-12-27
AU1311276A (en) 1977-10-27
JPS51130201A (en) 1976-11-12
GB1544185A (en) 1979-04-11
FR2309010A1 (fr) 1976-11-19
NL7504783A (nl) 1976-10-26
DK99176A (da) 1976-10-24
CH621643A5 (en) 1981-02-13
DE2615839A1 (de) 1976-11-04

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