MULTICOLOR IMAGING USING MULTIPHOTON PHOTOCHEMICAL PROCESSES

A multilayer imageable article with at least two layers including a multiphoton imageable composition. The composition includes a multiphoton-sensitive photoactive system and at least one of a dye and a dye precursor. The photoactive system includes a multiphoton sensitizer capable of simultaneously...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VOGEL, DENNIS, E, DEVOE, ROBERT, J, KITCHIN, JON, P, DUERR, BROOK, F, DEMASTER, ROBERT, D
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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Beschreibung
Zusammenfassung:	A multilayer imageable article with at least two layers including a multiphoton imageable composition. The composition includes a multiphoton-sensitive photoactive system and at least one of a dye and a dye precursor. The photoactive system includes a multiphoton sensitizer capable of simultaneously absorbing at least two photons, an electron acceptor capable of transformation to a dye-activating species upon interaction with the multiphoton sensitizer subsequent to absorption of at least two photons, and optionally an electron donor. L'invention concerne un article imageable multicouche constitué d'au moins deux couches comprenant une composition imageable multiphotonique. Ladite composition renferme un système photoactif sensible aux multiphotons et au moins un colorant ou un précurseur de colorant. Le système photoactif comprend un sensibilisateur multiphotonique capable d'absorber simultanément au moins deux photons, un accepteur d'électrons capable de se transformer en une espèce d'activation du colorant en cas d'interaction avec le sensibilisateur multiphotonique après absorption d'au moins deux photons, et éventuellement un donneur d'électrons.