Device and method for exposing a photo material

G - Physics – 02 – B

Patent

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Details

G02B 27/50 (2006.01) G03B 27/52 (2006.01) G03B 33/14 (2006.01) G03B 35/14 (2006.01) H04N 1/00 (2006.01)

Patent

CA 2713100

The invention relates to a method and an imagesetter by means of which a photo material comprising a plurality of zones to be exposed individually, such as hundreds of thousands of such zones, can be done in an economical manner and particularly in acceptable exposure times. To this end, a method is provided for exposing a photo material comprising a plurality of zones to be exposed, preferably disposed regularly, particularly line by line, and having a digitally derived image, by means of which method a continuous relative motion is carried out between the photo material and the imagesetter, and the exposition of the individual zones takes place during said motion.

L'invention concerne un procédé et un dispositif d'exposition permettant d'exposer de manière économique, et en particulier avec des temps d'exposition raisonnables, un matériau photographique présentant une multiplicité de zones à exposer individuellement, par exemple plusieurs centaines de milliers de zones de ce type. A cet effet, il est prévu un procédé pour exposer au moyen d'un dispositif d'exposition, avec une image calculée numériquement, un matériau photographique, présentant une multiplicité de zones à exposer individuellement disposées de préférence régulièrement, en particulier par lignes. Selon ce procédé, on effectue un mouvement relatif continu entre le matériau photographique et le dispositif d'exposition, et l'exposition des zones individuelles a lieu pendant ce mouvement.

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