Heat-developable light-sensitive material

Abstract

A heat-developable light-sensitive material is described, comprising a support having thereon at least (1) a light-sensitive silver halide, (2) a silver salt oxidizing agent, (3) silver salt particles having adsorbed thereon at least one compound selected from a cyclic imino compound represented by formula (I) described below and a mercapto compound represented by formula (II) described below, (4) a reducing agent, and (5) a binder. Formula (I) is represented by ##STR1## wherein Z represents a non-metallic atomic group forming a heterocyclic ring containing an imino group together with the nitrogen atom of formula (I). Formula (II) is represented by R--S--M (II) wherein M represents a hydrogen atom or an alkali metal atom; and R represents a substituted or unsubstituted aliphatic hydrocarbon group, a substituted or unsubstituted aromatic hydrocarbon group, or a substituted or unsubstituted heterocyclic group. The heat-developable light-sensitive material has excellent stability during preservation and provides images having high image density and low fog even in the case of a short period of developing time.

Dependencies are inferred from the claim text.