Patent ID: 7227157
Filing Date: 2007-06-05
Classification: C09K,G21K

Abstract:
1. A radiation image storage panel having a phosphor layer which comprises a stimulable cerium activated lutetium borate phosphor represented by the following formula (I): in which Ln is at least one rare earth element selected from the group consisting of Y, La and Gd; A is at least one element selected from the group consisting of Pr, Nd, Pm, Sm, Eu, Tb, Dy, Ho, Er, Tm, Yb and Zr; and x, y, a and b are numbers satisfying the conditions of 0.5≦x<1, 0≦y<0.5, 0<a≦0.2, 0≦b≦0.2 and x+y+a+b=1.0.