Patent ID: 7105282
Filing Date: 2006-09-12
Classification: G03C

Abstract:
1. An image forming method for a photothermographic material comprising, on at least one side of the support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, wherein the photothermographic material is a sheet material and has a gamma value of 2.0 to 4.0 at an optical density of 1.2 in a photographic characteristic curve, comprising: imagewise exposing the photothermographic material to laser radiation: and developing the photothermographic material in a thermal developing device configured such that a distance between an exposing section and a developing section is not more than 50 cm and the photothermographic material begins to be developed at an exposed portion thereof while another portion is still being exposed.