A radiation image conversion panel exhibiting enhanced luminance and
superior sharpness is disclosed, comprising on a support a stimulable
phosphor layer, wherein the stimulable phosphor layer which has been
formed by gas phase deposition has a thickness of 50 .mu.m to 1 mm, and a
protective layer composed of a thermosetting resin or a thermoplastic
resin is further provided on the stimulable phosphor layer.