PROCESS FOR ETCHING WITH GRAPHIC FINENESS SHEET AND HOLLOW GLASS, STONEWARE AND SEMI-PRECIOUS STONE SURFACES

摘要

The treated surface is prepd. by (a) coating with a cohesion metal layer, (b) coating of areas for etching with a light sensitive layer, (c) drying, (d) masking of non-etched areas, (e) subjecting the surface to light, UV, (f) alkaline rinse of exposed surface, (g) removal of the metal layer from the treated surfaces by an acid rinse, (h) final rinse with an organic solvent to remove the residual light sensitive layer and metal layer.