| 摘要 |
PROBLEM TO BE SOLVED: To provide a high-quality heat-developable photosensitive material and a method for producing the same in which cissing and generation of black spots and streaks due to dust in a process atmosphere are not caused when an undercoat layer is formed on a support. SOLUTION: The heat-developable photosensitive material has an undercoat layer formed in an atmosphere having a cleanliness class of M5.45 or below and a silver behenate-containing photosensitive layer on a support. The method for producing the heat-developable photosensitive material comprises at least a first process in which a coating liquid for the undercoat layer is applied and dried on the support to form the undercoat layer and a second process in which a coating liquid for the silver behenate-containing photosensitive layer is applied and dried to form the photosensitive layer, wherein the undercoat layer formed in the first process is formed in an atmosphere having a cleanliness class of M5.45 or below.
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