HEAT DEVELOPABLE PHOTOGRAPHIC MATERIAL COMPRISING TRANSITION METAL CARBONYL COMPOUNDS AND AN OXIDATION- REDUCTION IMAGE FORMING COMBINATION INCLUDING A TE(II) OR (IV) COMPOUND

摘要

Abstract of the DisclosureA heat developable, photographic material comprising,in reactive association, (a) a photosensitive, transitionmetal carbonyl compound, (b) an oxidation-reduction image-formingcombination comprising (i) a tellurium (II) or(IV) combination as an oxidizing agent, with (ii) a reducing agent,and (c) a binder can provide an improved non-silver image.After imagewise exposure of the heat developable material,an image can be developed by merely heating the material.- 1 -