Emulsion printing plate relief coatings

Details Emulsion printing plate relief coatings Emulsion printing plate relief coatings

1992-07-13

1993-08-17

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

430 24, 430274, 430323, 430325, 313402, 313403, G03F 500

Patent

active

052367940

ABSTRACT:
An emulsion covered photo printing plate for use in printing an etchant resist pattern on a light sensitive etchant resist located on a metal web covered with an etchant resist wherein the emulsion layer contains an exterior master pattern separated from an interior master pattern by a strip line with the interior master pattern having optically clear spacers located on top of the emulsion layer opaque projections and the nonopaque emulsion layer and the exterior emulsion layer having clear spacers located on top of the exterior emulsion layer with the area of the strip line being substantially devoid of spacers to provide evacuation channel past the strip line between the exterior master pattern and the interior master pattern.

REFERENCES:
patent: 4664996 (1987-05-01), Mascony et al.
patent: 4669871 (1987-06-01), Wetzel et al.

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