Patent attributes
A cassette to record a radiation image of an object to be radiographed, is provided with a sheet-shaped recording medium including a layer of needle imaging plate having a thickness of 20 μm to 2 mm, wherein the needle imaging plate are formed by a deposition method; a front member through which the recording medium receives the radiation image of the object; and a back member positioned opposite to the front member; wherein the front and back members are relatively attached to each other so as to form an accommodation space in which the sheet-shaped recording medium is accommodated or detached from each other and the attaching or detaching direction of the front and back members is substantially the same direction with a growing direction of the needle imaging plate.