Exposure method for forming latent images

Details Exposure method for forming latent images Exposure method for forming latent images

1989-09-27

1991-01-15

Hix, L. T.

Photocopying

Projection printing and copying cameras

Methods

355 27, 430138, G03B 2762

Patent

active

049857282

ABSTRACT:
A method for forming latent images on a media sheet coated with micro-capsules. Each of the microcapsules contains a dye capable of coloring to either yellow, magenta or cyan and is curable by irradiating to one of blue, green and red light. The media sheet is successively exposed to blue, green and red light to cure the micro-capsules. There is an interval of at least 5 seconds between exposure times of the blue, green and red lights.

REFERENCES:
patent: 4399209 (1983-08-01), Sanders et al.
patent: 4794425 (1988-12-01), Sakai et al.

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