Photographic element having both a filter dye layer and a...

Details Photographic element having both a filter dye layer and a... Photographic element having both a filter dye layer and a...

G - Physics

03

C

G03C 1/825 (2006.01) G03C 1/95 (2006.01)

Patent

CA 2081345

A high-contrast room-light-handleable black-and-white photographic element is comprised of a support having on one side thereof a silver halide emulsion layer and having, on the same side of the support as the silver halide emulsion layer, both a filter dye layer in which the dye is immobile and a matte layer comprised of a matting agent dispersed in a hydrophilic colloid that serves as a binder. In this element, the filter dye layer serves to provide uniform filtering of incident light, while the matte lay- er provides a rough surface which facilitates rapid vacuum draw-down during contact exposure.

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