Patent ID: 7053385

Claim:
A radiographic image conversion panel comprising: a support; and at least one photostimulable phosphor layer provided on the support, wherein the layer has a film thickness of 50 μm to 1 mm, and has not less than two luminescence wavelength peaks between 350 nm and 450 nm, and contains a photostimulable phosphor having an alkali halide represented by the following Formula (1) as a ground material M 1 X.aM 2 X′ 2 :eA, A″ (1) where the M 1 is at least one kind of alkali metal selected from a group consisting of Li, Na, K, Rb and Cs, the M 2 is at least one kind of bivalent metal atom selected from a group consisting of Be, Mg, Ca, Sr, Ba, Zn, Cd, Cu and Ni, each of the X and the X′ is at least one kind of halogen selected from a group consisting of F, Cl, Br and I, each of the A and the A″ is at least one kind of rare-earth element selected from a group consisting of Eu, Tb, In, Ce, Tm, Dy, Pr, Ho, Nd, Yb, Er, Gd, Lu, Sm and Y, and each of the a and the e represents a numeric value in a range of 0≦a<0.5 and 0<e≦0.2.