Method for forming a patterned photopolymer coating on a...

Details Method for forming a patterned photopolymer coating on a... Method for forming a patterned photopolymer coating on a...

G - Physics

03

F

96/249

G03F 7/24 (2006.01) G03F 7/095 (2006.01) G03F 7/26 (2006.01)

Patent

CA 1296561

Abstract The invention relates to a method of forming of a patterned photopolymer coating on a printing roller in which a photopolymer coating, present on said roller, and covered by a light-sensitive intermediate layer is exposed in a first stage to form an image of opaque and translucent parts in said intermediate layer. Subsequently the photopolymer layer is exposed via the image formed in the intermediate layer, after which the photopolymer layer is developed. Between abovementioned exposures, in case of a relatively thick, flexible, photopolymer, a period is waited to ensure that depressed parts of the photopolymer layer have returned to their original state. The invention also relates to a printing roller thus obtained.

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