Patent ID: 9551796
Date: 2017-01-24
CPC Classifications: G01T,G21K

Claim:
1. A radiation image conversion panel comprising: a support; and a phosphor layer mainly composed of an alkali halide, the phosphor layer being formed by vapor deposition, wherein the phosphor layer comprises a plurality of domains formed of a plurality of phosphor columnar crystals, each of the domains is single phosphor columnar crystal or an aggregation of phosphor columnar crystals having substantially the same crystal orientation, the phosphor columnar crystals are crystalline from root portion at which crystal growth started, and an average diameter of the domain within the range of thickness from the root portion at which the crystal growth of the phosphor columnar crystals started to 50 μm in the phosphor layer is 0.2 to 10 μm with a coefficient of variation of 50% or less.