Additive colour photographic material - with silver mixed halide emulsion contg pptn nuclei on multicoloured screen

摘要

Photosensitive emulsion with Ag halide crystals contg. at least 2 halides i.e. iodide, bromide, chloride and Ag pptn. nuclei is used on surface of multi-coloured screen of material for additive colour photography. - Due to different physical character, positive image derived from unexposed crystals has greater covering power than negative image derived from exposed crystals. Presence of pptn. nuclei in emulsion, rather than adjacent layer, improves Ag utilisation.