Recorders – Thermal recording
Patent
1991-10-18
1993-06-01
Fuller, Benjamin R.
Recorders
Thermal recording
346108, B41M 528
Patent
active
052164381
ABSTRACT:
A direct color thermal recording method records full-color images on a thermosensitive color recording medium having at least three laminated thermosensitive recording layers which are developed in three colors. The optical recording is performed in at least the uppermost thermosensitive recording layer by being exposed to ultraviolet rays of a wavelength range specific to the individual recording layer to be recorded while controlling the intensity of rays according to desired color densities of pixels to be recorded in the corresponding layer. Thereafter, thermal recording is performed in a lower recording layer by applying heat energy to the color recording medium. The amount of heat energy is controlled so as to record pixels at the desired color densities in the lower recording layer, and also the heat energy is used to develop colors in at least an upper recording layer after having been subjected to optical recording.
REFERENCES:
patent: 4446467 (1984-05-01), Takiguchi et al.
patent: 4734704 (1988-03-01), Mizutani et al.
patent: 4833488 (1989-05-01), Mizutani et al.
patent: 4962386 (1990-10-01), Hakkaku et al.
Katsuma Nobuo
Nagata Atsushi
Nakao Souichiro
Fuji Photo Film Co. , Ltd.
Fuller Benjamin R.
Le N.
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