Image recording method using photosensitive sheet having microca

Details Image recording method using photosensitive sheet having microca Image recording method using photosensitive sheet having microca

1991-03-27

1992-03-17

Hix, L. T.

Photocopying

Projection printing and copying cameras

With developing

355326, 355 77, G03B 2752

Patent

active

050972863

ABSTRACT:
In an image recording method of the present invention, a photosensitive sheet having a transparent substrate coated on one surface with microcapsules encapsulating a photosensitive material, that undergoes a viscosity change upon irradiation by light, and a chromogenic material is superposed upon a photosensitive member and subjected to light exposure. As a result, a chemical latent image corresponding to an original image is formed on the photosensitive sheet and an electrostatic latent image corresponding to the original image is formed on the photosensitive member. Subsequently, an electrostatically charged developer, which reacts with the chromogenic material, is deposited on the photosensitive sheet at a portion on which the chemical latent image is formed. The photosensitive sheet on which the develper is deposited is then superposed, microcapsule side down, on an optional recording medium and the microcapsules having low viscosity are ruptured and discharge the chromogenic material. As a result, an image is developed on the optional recording medium by the reaction of the discharged chromogenic material with the developer.

REFERENCES:
patent: 4399209 (1983-08-01), Sanders et al.
patent: 4985727 (1991-01-01), Sakai et al.

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