Processes for increasing the density of images obtained by therm

Details Processes for increasing the density of images obtained by therm Processes for increasing the density of images obtained by therm

1991-07-19

1993-11-02

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

427258, 427261, 427265, 428195, 428913, 428914, B41M 5035, B41M 538

Patent

active

052583546

ABSTRACT:
Processes for increasing the density of images obtained by thermal dye sublimation transfer and printer for performing these processes.
In addition to a dye transfer step, the same portion of a dye donor element is at least one more time image-wise heated and a second dye image which is in register with said first dye image is transferred to said receiving element.
Alternatively, to a dye transfer step at least one step is added in which another portion of the dye donor element is image-wise heated and the image is transferred not in register with the image transferred during the first step.

REFERENCES:
patent: 4833124 (1989-05-01), Lum
patent: 4933686 (1990-06-01), Izumi et al.

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