Recording medium having heat-sensitive chromogenic material, and

Details Recording medium having heat-sensitive chromogenic material, and Recording medium having heat-sensitive chromogenic material, and

1988-08-03

1990-11-20

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430203, 4284022, 42840224, 503210, 503211, 503214, 503215, G03C 168, B41M 526

Patent

active

049718860

ABSTRACT:
A recording medium comprising a planar substrate, and a layer of microcapsules carried by the planar substrate, each of the microcapsules containing a photosensitive material whose hardness varies upon exposure to a radiation, and a heat-sensitive chromogenic material which produces a color at a temperature higher than a room temperature.

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Derwent Abstracts, "Multicolored Heat-Sensitive . . . ," J62.156986, 7/87, Fuji Photo.
Derwent Abstracts, "Heat-Sensitive Recording Material . . .," J59 229,392, 12/84, Ricoh kk.

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