IT1148239B - Perfezionamento nei materiali a strato adatti alla formazione di immagini termographache - Google Patents

Perfezionamento nei materiali a strato adatti alla formazione di immagini termographache

Info

Publication number
IT1148239B
IT1148239B IT50318/80A IT5031880A IT1148239B IT 1148239 B IT1148239 B IT 1148239B IT 50318/80 A IT50318/80 A IT 50318/80A IT 5031880 A IT5031880 A IT 5031880A IT 1148239 B IT1148239 B IT 1148239B
Authority
IT
Italy
Prior art keywords
dye
iii
oxidise
amt
layer
Prior art date
Application number
IT50318/80A
Other languages
English (en)
Italian (it)
Other versions
IT8050318A0 (it
Inventor
John M Winslow
Kenneth G Gatzke
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of IT8050318A0 publication Critical patent/IT8050318A0/it
Application granted granted Critical
Publication of IT1148239B publication Critical patent/IT1148239B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/32—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers one component being a heavy metal compound, e.g. lead or iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
    • G03C1/498—Photothermographic systems, e.g. dry silver
    • G03C1/4989—Photothermographic systems, e.g. dry silver characterised by a thermal imaging step, with or without exposure to light, e.g. with a thermal head, using a laser

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Color Television Image Signal Generators (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Image Communication Systems (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
IT50318/80A 1979-12-07 1980-12-05 Perfezionamento nei materiali a strato adatti alla formazione di immagini termographache IT1148239B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10114479A 1979-12-07 1979-12-07
US10119779A 1979-12-07 1979-12-07

Publications (2)

Publication Number Publication Date
IT8050318A0 IT8050318A0 (it) 1980-12-05
IT1148239B true IT1148239B (it) 1986-11-26

Family

ID=26797946

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50318/80A IT1148239B (it) 1979-12-07 1980-12-05 Perfezionamento nei materiali a strato adatti alla formazione di immagini termographache

Country Status (9)

Country Link
EP (1) EP0041540B1 (OSRAM)
JP (1) JPS56501480A (OSRAM)
AT (1) ATE11460T1 (OSRAM)
AU (1) AU543071B2 (OSRAM)
BR (1) BR8008959A (OSRAM)
DE (1) DE3070044D1 (OSRAM)
IT (1) IT1148239B (OSRAM)
MX (1) MX157192A (OSRAM)
WO (1) WO1981001757A1 (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379835A (en) * 1980-12-22 1983-04-12 Minnesota Mining And Manufacturing Company Black image from a thermographic imaging system
US4386154A (en) * 1981-03-26 1983-05-31 Minnesota Mining And Manufacturing Company Visible light sensitive, thermally developable imaging systems
CA1236299A (en) * 1984-04-16 1988-05-10 Minnesota Mining And Manufacturing Company Prevention of spotting in thermal imaging compositions
US4889932A (en) * 1984-10-01 1989-12-26 Minnesota Mining And Manufacturing Company Stabilized leuco phenazine dyes and their use in an imaging system
US4647525A (en) * 1984-10-01 1987-03-03 Minnesota Mining And Manufacturing Company Stabilized leuco phenazine dyes and their use in an imaging system
EP0646628B1 (en) * 1993-09-27 2001-12-12 Tulalip Consultoria Comercial Sociedade Unipessoal S.A. Spectrally sensitized silver halide photographic elements

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE442701A (OSRAM) * 1940-10-09
US2756144A (en) * 1951-04-25 1956-07-24 Brown Allen Chemicals Inc Photochemical multicolor printing of textile and the like
US2880153A (en) * 1957-01-28 1959-03-31 American Viscose Corp Photopolymerization process
US3300314A (en) * 1963-02-01 1967-01-24 Eastman Kodak Co Nonsilver, light-sensitive photographic elements
US3595655A (en) * 1968-10-03 1971-07-27 Little Inc A Non-silver direct positive dyes bleachout system using polymethine dyes and colorless activators
US3595657A (en) * 1968-10-03 1971-07-27 Little Inc A Non-silver direct positive dye bleachout system using indigoid dyes and colorless activators
US3801319A (en) * 1972-06-21 1974-04-02 Xerox Corp Imaging method utilizing chemical reactivities of photoexcited states of aromatic hydroxy compounds

Also Published As

Publication number Publication date
AU543071B2 (en) 1985-03-28
ATE11460T1 (de) 1985-02-15
WO1981001757A1 (en) 1981-06-25
AU6644581A (en) 1981-07-06
EP0041540B1 (en) 1985-01-23
JPS56501480A (OSRAM) 1981-10-15
MX157192A (es) 1988-11-03
DE3070044D1 (en) 1985-03-07
EP0041540A1 (en) 1981-12-16
EP0041540A4 (en) 1982-03-29
IT8050318A0 (it) 1980-12-05
BR8008959A (pt) 1981-10-20

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941222