| 摘要 |
PURPOSE:To form a dye image by heating a photosensitive material having essentially photosensitive silver halide, a binder and an image forming substance on the support in the presence of specified water and a base and/or a base precursor after or during imagewise exposure. CONSTITUTION:A photosensitive material having essentially photosensitive silver halide, a binder and an image forming substance on the support is heated in the presence of water and a base and/or a base precursor after or during imagewise exposure to imagewise distribute a mobile dye. The water is used in the form of an aqueous soln. having <=50dyne/cm surface tension. An org. solvent used has preferably >=0.1% solubility in water at 25 deg.C. The base and/or the precursor can be used by an amount within a wide range, and when it is used in a photosensitive layer and/or a dye fixing layer, the amount is <=50wt% each of the amount of the layers. Thus, a uniform image can be obtd. easily and rapidly. |
