Image forming method combining heat and pressure to produce a co

Details Image forming method combining heat and pressure to produce a co Image forming method combining heat and pressure to produce a co

1991-03-07

1993-01-12

McCammish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430203, 430254, G03C 172, G03C 850

Patent

active

051789850

ABSTRACT:
A method for image formation comprising the steps of exposing a light-receiving sheet coated with a layer of microcapsules containing photopolymerization agent and colorless dye selectively to light so as to form a cured image thereon opposite in sense to the desired final image, laying an image-receiving sheet uniformly coated with a layer of a developing material for reacting with and coloring the colorless dye on the light-receiving sheet, heating the resulting sandwich configuration and pressing these sheets against each other thereby rupturing the uncured microcapsules to form a colored image.

REFERENCES:
patent: 4399209 (1983-08-01), Sanders et al.
patent: 4663266 (1987-05-01), Adair et al.
patent: 4788124 (1988-11-01), Wright
patent: 4877710 (1989-10-01), Ishikawa
patent: 4891299 (1990-01-01), Yamada
patent: 4905036 (1990-02-01), Asano et al.
patent: 4977057 (1990-12-01), Ishikawa et al.

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