Reflex copying process onto light-sensitive recording materials

Details Reflex copying process onto light-sensitive recording materials Reflex copying process onto light-sensitive recording materials

1979-11-23

1981-10-06

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Vesicular process

430395, 430396, G03C 510, G03C 520

Patent

active

042936330

ABSTRACT:
Reflex copying of original materials, normally having an opaque background, onto light-sensitive vesicular imaging materials wherein exposure to light is effected through a screen which transmits the incident light in separate bundles of light rays.

REFERENCES:
patent: 2051584 (1936-08-01), Van der Grinten
patent: 2051585 (1936-08-01), Van der Grinten
patent: 3924946 (1975-12-01), Meyer et al.

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