Process for producing photohardenable reproduction materials

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface

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430309, 430328, 430394, G03C 500

Patent

active

043616429

ABSTRACT:
Process for broadening the processing range of photohardenable negatively functioning reproduction materials wherein the unexposed areas are removed by liquid development and while still in contact with the developer the material is diffusely exposed to delayed actinic radiation, the delayed exposure amounting to at least 5% of the time necessary to clear the unexposed material.

REFERENCES:
patent: 3415648 (1968-12-01), Certa
patent: 3597204 (1971-08-01), Rust
patent: 3723120 (1973-03-01), Hummel
patent: 4240737 (1980-12-01), Lawson

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