| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat developable photosensitive material which is free of creases and coating streaks in the formation of a photosensitive layer on a support and suppresses the occurrence of interference fringes after heat development. SOLUTION: In the heat developable photosensitive material having a photosensitive layer containing photosensitive silver halide and a non-photosensitive organic silver salt on a support of 100-300μm thickness, the support contains polyethylene terephthalate, the difference between the maximum value and minimum value of thickness of the support in the overall width direction is 3-6μm, and when the thickness of the support in the overall width direction is shown by a polygonal line graph, the maximum value of height forming a protrusion to a base line connecting points on the polygonal line graph corresponding to the thicknesses of both edges of the support is 3-6μm.
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