Recording medium

Details Recording medium Recording medium

1989-07-21

1991-07-23

Hess, Bruce H.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

428195, 428212, 4283215, 428913, 428914, 430211, 503208, 503214, 503215, G03C 172

Patent

active

050343017

ABSTRACT:
A transfer recording medium comprises a support and a recording layer formed thereon comprising at least a colorant and a functional component sensitive to provision of light energy and heat energy. The recording layer is composed to have a specifically high sensitivity selective to provision of both light energy and heat energy defined as follows. The adhesion force f.sub.1 between the support and the recording layer and the adhesion force f.sub.2 between the recording layer and a transfer-receiving medium such as plain paper satisfy the relations of f.sub.1 >f.sub.2 at a lower temperature and f.sub.1 <f.sub.2 at a higher heated temperature. A minimum exposure quantity is defined as a minimum quantity of light, with a wavelength to which the functional component in the recording layer is sensitive at 100.degree. C., providing f.sub.1 >f.sub.2 at the higher heated temperature when the recording layer is exposed to the light and then heated. Then, the recording layer provides f.sub.1 <f.sub.2 at the higher heated temperature when it is exposed at 30.degree. C. to the light with an exposure quantity, which is 5 times the minimum quantity, and then heated.

REFERENCES:
patent: 3671240 (1972-06-01), Gramza et al.
patent: 3798034 (1974-03-01), Laridon
patent: 4399209 (1983-08-01), Sanders et al.
patent: 4416966 (1983-11-01), Sanders et al.
Patent Abstracts of Japan, vol. 11, No. 255 (M-617) (2702, 8/19/87).
Patent Abstracts of Japan, vol. 8, No. 61 (P-284) (1498), 11/23/84.

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