Color-correcting exposure system for a photosensitive media

Details Color-correcting exposure system for a photosensitive media Color-correcting exposure system for a photosensitive media

1989-01-09

1990-05-08

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430395, 355 27, 355 35, 355 38, 355 66, 355 71, G03C 172, G03B 2770

Patent

active

049237799

ABSTRACT:
A method and apparatus for color correction while exposing a photosensitive material are disclosed. The material comprises a supportive substrate which is at least partially transmissive and has a layer of microcapsules on the surface thereof. The microcapsules contain a color precursor and a photohardenable or photosoftenable composition. The substrate is positioned on or near a reflective surface having greater reflectivity within a selected wavelength band. An exposure beam is directed onto the substrate, whereby at least a portion of the beam passes through the substrate to the reflective surface. Since the surface reflects a greater portion of the light within the selected band, color correction is achieved.

REFERENCES:
patent: 2698561 (1955-01-01), Crowell
patent: 3811770 (1974-05-01), Baur Jr. et al.
patent: 4230408 (1980-10-01), Nigg
patent: 4806984 (1989-02-01), Asano

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