Imaging device and method for developing, duplicating and...

B - Operations – Transporting – 42 – D

Patent

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B42D 15/00 (2006.01) B41M 5/26 (2006.01) B41M 5/40 (2006.01) B41M 5/48 (2006.01) H04N 1/00 (2006.01) H04N 1/04 (2006.01) H04N 1/23 (2006.01)

Patent

CA 2053014

The present invention provides an imaging device and method for developing, duplicating and printing graphic media. The imaging device of the present invention is utilized in devices such as copiers, printers, game cards and the like, and comprises a substrate bearing an infrared image producing layer, a thermal image forming layer and a light source. A brief but intense flash of visible light from the light source causes latent heat properties of the infrared layer to generate heat and convert visible light into far infrared light. This far infrared light develops or marks portions of the thermal layer which are adjacent the infrared layer.

L'invention est constituée par un dispositif et une méthode d'imagerie servant à développer, à dupliquer et à imprimer des supports graphiques. Le dispositif d'imagerie de l'invention peut être incorporé à des appareils tels que des copieurs, des imprimantes, etc.; il utilise un substrat portant une couche de formation d'images à infrarouge, une couche de formation thermique d'images et une source lumineuse. Sous l'effet d'un éclair de lumière visible bref, mais intense produit par la source lumineuse, la chaleur latente dégagée par la couche à infrarouge convertit la lumière visible en rayonnement dans l'infrarouge lointain. Ce rayonnement développe ou marque les parties de la couche thermique qui sont voisines de la couche génératrice d'infrarouge.

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