AT257355B - Process for the reversible fixing of images produced in layers of photochromic material by exposure to ultraviolet light - Google Patents

Process for the reversible fixing of images produced in layers of photochromic material by exposure to ultraviolet light

Info

Publication number
AT257355B
AT257355B AT24265A AT24265A AT257355B AT 257355 B AT257355 B AT 257355B AT 24265 A AT24265 A AT 24265A AT 24265 A AT24265 A AT 24265A AT 257355 B AT257355 B AT 257355B
Authority
AT
Austria
Prior art keywords
exposure
layers
ultraviolet light
photochromic material
images produced
Prior art date
Application number
AT24265A
Other languages
German (de)
Original Assignee
Ncr 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 Ncr Co filed Critical Ncr Co
Application granted granted Critical
Publication of AT257355B publication Critical patent/AT257355B/en

Links

Classifications

    • 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
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/163—Radiation-chromic compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
AT24265A 1964-01-16 1965-01-14 Process for the reversible fixing of images produced in layers of photochromic material by exposure to ultraviolet light AT257355B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US338136A US3341330A (en) 1964-01-16 1964-01-16 Method of forming thermally stable photochromic images and product

Publications (1)

Publication Number Publication Date
AT257355B true AT257355B (en) 1967-10-10

Family

ID=23323551

Family Applications (1)

Application Number Title Priority Date Filing Date
AT24265A AT257355B (en) 1964-01-16 1965-01-14 Process for the reversible fixing of images produced in layers of photochromic material by exposure to ultraviolet light

Country Status (10)

Country Link
US (1) US3341330A (en)
AT (1) AT257355B (en)
BE (1) BE658273A (en)
CH (1) CH431268A (en)
DE (1) DE1282452B (en)
DK (1) DK116636B (en)
FR (1) FR1420307A (en)
GB (1) GB1030217A (en)
NL (1) NL6500513A (en)
SE (1) SE305809B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471290A (en) * 1965-10-01 1969-10-07 Xerox Corp Photochromic photoresist imaging
US3532540A (en) * 1967-10-26 1970-10-06 Ncr Co Differential adhesion process for making high resolution thin film patterns
US3627690A (en) * 1969-10-01 1971-12-14 Itek Corp Photochromic naphthopyran compositions
US4171980A (en) * 1975-04-24 1979-10-23 La Cellophane Photosensitive compositions and recording materials and processes utilizing same
US4172725A (en) * 1975-04-24 1979-10-30 La Cellophane Photosensitive compositions and recording materials and processes utilizing same
US5501945A (en) * 1994-08-30 1996-03-26 The University Of Akron Method of using multichromic polymers in packaging
ATE251316T1 (en) 1999-07-08 2003-10-15 Kromotek Ltd DRY PROCESS FOR PRODUCING PHOTOGRAPHIC PRINTS
DE10309747B4 (en) * 2002-03-07 2011-11-24 CiS Institut für Mikrosensorik gGmbH Auflichtsensor and method for its preparation
US9638395B2 (en) * 2012-05-31 2017-05-02 Nokia Technologies Oy Apparatus and method for use in different ambient lighting conditions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL226920A (en) * 1957-04-23
US3140948A (en) * 1961-10-18 1964-07-14 Horizons Inc Photography
US3184308A (en) * 1962-05-23 1965-05-18 Meyer S Agruss Process for treating leucocyanide dye images and product thereof
US3212898A (en) * 1962-11-21 1965-10-19 American Cyanamid Co Photosensitive compositions of matter comprising photochromic materials suspended in polyester binders

Also Published As

Publication number Publication date
DK116636B (en) 1970-01-26
DE1282452B (en) 1968-11-07
BE658273A (en) 1965-04-30
SE305809B (en) 1968-11-04
GB1030217A (en) 1966-05-18
CH431268A (en) 1967-02-28
FR1420307A (en) 1965-12-03
US3341330A (en) 1967-09-12
NL6500513A (en) 1965-07-19

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