Radiation imagery chemistry: process – composition – or product th – Dye image from radiation sensitive dye or dye former by dry... – Multiple image formation – multiple image exposure – or...
Patent
1985-09-23
1987-11-10
Louie, Won H.
Radiation imagery chemistry: process, composition, or product th
Dye image from radiation sensitive dye or dye former by dry...
Multiple image formation, multiple image exposure, or...
430296, 430967, 430338, G03C 700
Patent
active
047057424
ABSTRACT:
An image receptive film comprising a surface layer containing a photosensitive polyacetylenic compound having at least two acetylenic linkages in a conjugated system is subjected to a plurality of radiant energy exposures each limited to a divisible portion of the image to be transmitted and at least each of 2 exposures effected at a distinctive dosage level, to develop exposed discrete portions in its respective divided portion to a characteristic color distinguishable from that developed in the surface layer by any other exposure at a different dosage level.
REFERENCES:
patent: 3501297 (1970-03-01), Cremeans
patent: 3501302 (1970-03-01), Foltz
patent: 3501303 (1970-03-01), Foltz et al.
patent: 4542084 (1985-09-01), Watanabe et al.
GAF Corporation
Louie Won H.
Maue Marilyn J.
Ward Joshua J.
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