Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface
Patent
1981-06-01
1982-11-30
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Forming nonplanar surface
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
Brown J. Travis
E. I. Du Pont de Nemours and Company
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