Thermal transfer imaging system based on the heat transfer of a

Details Thermal transfer imaging system based on the heat transfer of a Thermal transfer imaging system based on the heat transfer of a

1995-04-21

1996-08-20

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Imagewise heating, element or image receiving layers...

430203, 503227, G03C 808, G03C 824

Patent

active

055478093

ABSTRACT:
The present invention provides a printing process using a donor element and a receiving element. The donor element comprises on a support a donor layer comprising a binder and a thermotransferable strong reducing agent capable of reducing a silver source to metallic silver upon heating.
The donor element is image-wise heated while being in contact with an image receiving material comprising a thermoreducible silver source and a weak reducing agent, only being capable of reducing a silver source to metallic silver in the presence of metallic silver formed by said strong reducing agent. Image density is increased and stability of the reductor donor element can be improved.

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