| 摘要 |
A process for imagewise forming a mobile dye, which comprises heating, after or simultaneously with image exposure, a light-sensitive material having on a support a photosensitive silver halide, a binder, and an immobile dye-providing material which releases a dye by heating, and which is reductive and by heating becomes a material not releasing a dye by causing an oxidation with the photosensitive silver halide at a portion where a silver halide is reduced to form silver.
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