PROBLEM TO BE SOLVED: To provide a cassette with improved shock resistance.SOLUTION: A cassette (1, 5A, 6, 7, and 8) comprises: an imaging part 2 having a flat plate-like image receiving part 21 in which a plurality of pixels for converting radiation into electric charges to accumulate the electric charges are arranged on a substrate, and a support 5 to which the image receiving part 21 is fixed and housings 3 for accommodating the imaging part 2 in a non-fixed condition, where the support 5 supports the image receiving part 21, and the outer periphery of the support 5 is positioned on the outside from the outer periphery of the substrate of the image receiving part 21 in a direction parallel to an image receiving surface of the image receiving part 21.SELECTED DRAWING: Figure 2
