Patent ID: 7087916

Claim:
A radiation image storage panel having a stimulable phosphor layer, a light-reflecting layer provided thereon, and a protective layer provided on the stimulable phosphor layer on the side opposite to the light-reflecting layer, wherein said stimulable phosphor layer comprises a binder and stimulable phosphor particles in the form of tetradecahedrons or globules having a diameter in the range of 2to 10 μm in a weight ratio of 1:10 to 1:50, said light-reflecting layer comprises a binder and a light-reflecting material in the form of particles, said light-reflecting materials being selected from the group consisting of Al 2 O 3 , ZrO 2 , MgO, BaSO 4 , SiO 2 , ZnS, ZnO, CaCO 3 , Sb 2 O 3 , Nb 2 O 5 , 2PbCO 3 Pb(OH) 2 , PbF 2 , BiF 3 , Y 2 O 3 , YOCl, M II FX (M II is Ba, Sr, or Ca, and X is Cl or Br), lithopone (BaSO 4 +ZnS), magnesium silicate, basic lead silicate sulfate, basic lead phosphate, aluminum silicate, and hollow polymer powder, and the protective layer comprises a polymer material and a filler dispersed in the polymer material and has a haze in the range of 30 to 60%, said filler having a mean particle size of 0.1 to 10 μm.