Process for the production of images

Details Process for the production of images Process for the production of images

G - Physics

03

F

96/227

G03F 7/16 (2006.01) G03F 7/029 (2006.01)

Patent

CA 1249946

3-15101/1+2/+/ARL 356 ABSTRACT PROCESS FOR THE PRODUCTION OF IMAGES A process for the production of an image on a substrate comprises (i) inserting the substrate as an electrode into a liquid composition comprising (A) a cationically polymerisable material, (B) a polymerising agent for (A) which is activated by an electric current, and (C) a photosensitive material, (ii) passing an electric current through the liquid composition between the substrate and another electrode, such that a photosensitive layer of essentially solid, polymerised material is deposited on the surface of the substrate, (iii) removing the substrate from the liquid composition, (iv) exposing the photosensitive layer to actinic radiation in a predetermined pattern so as to effect a difference in solubility between exposed parts and unexposed parts of the layer, and (v) removing more soluble parts of the layer by treatment with a solvent, leaving less soluble parts of the layer on the substrate. Typically, (A) is an epoxide resin, (B) is potassium hexafluorophosphate and (C) is a photocurable acrylate or a quinone diazide.

492073

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