Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1999-06-22
2000-08-15
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430231, 4302781, 101459, G03F 707, G03C 1122, G03C 828
Patent
active
061034444
ABSTRACT:
According to the present invention there is provided a method for preparing a silver salt diffusion transfer imaging element comprising the steps of coating in the order given on a grained and anodized side of an aluminum support (i) an image receiving layer containing physical development nuclei, (ii) a photosensitive layer containing a silver halide emulsion being in water permeable relationship with said image receiving layer and (iii) optionally an antistress layer being in water permeable relationship with said image receiving layer, said aluminum support before being coated with a silver halide emulsion layer being guided over rollers, said rollers being exclusively rollers with a metallic surface, characterized in that the mean length of contact of the support with a contact roller (in meter) in the unwinding area is not more than 0.140 m.
REFERENCES:
patent: 5633115 (1997-05-01), de Jaeger
Agfa-Gevaert N.V.
Schilling Richard L.
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