| 摘要 |
The present invention provides a heat-developable photosensitive material comprising a support; an undercoat layer disposed on the support and formed in an atmosphere having a cleanliness class of no more than M5.45; and a photosensitive layer including silver behenate as a non-photosensitive organic silver salt and disposed on the undercoat layer, and a method of producing a heat-developable photosensitive material comprising the steps of: forming an undercoat layer by applying a coating liquid for the undercoat layer to a support and drying the liquid; forming a photosensitive layer by applying a coating liquid for the photosensitive layer, which coating liquid includes silver behenate, and drying the liquid; wherein the undercoat layer is formed in an atmosphere having a cleanliness class of no more than M5.45.
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