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(11) | EP 0 180 224 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Dye transfer method |
| (57) A method for transferring a dye which comprises superimposing on a photographic material
having a mobile dye distributed in an imagewise pattern on a support, a dye fixing
material having a dye receiving layer on a support and transferring the local dye
to the dye fixing material and wherein at least one of the two supports has such surface
characteristics that the number of locations where the filtered maximum waviness value
is 4 µm or greater is not more than 10 out of 100 locations on the support arbitarily
selected for measuring the filtered maximum waviness of a basic length at 2.5 mmof
a filtered waviness curve obtained with a cut-off value of 0.8 mm from a profile measured
by JIS standard B 0610 with respect to the surface thickness of the support. The method
evenly transfers the mobile dye to a dye fixing material from a heat development color
photographic material containing a dye providing substance which upon heating reacts
with a light-sensitive silver halide to produce or release a mobile dye in the substantial
absence of water. |