Patent ID: 9418768
Filing Date: 2016-08-16
CPC Classification: G01T,G21K

Claim Text:
1. A radiographic image conversion panel comprising: a support and a scintillator layer disposed on the support, the scintillator layer including a plurality of columnar crystals containing a phosphor, the plurality of columnar crystals having root portions, the root portions being spaced apart from one another, wherein the root portions are in touch with the support or with an optional layer interposed between the support and the scintillator layer, the optional layer being selected from the group consisting of a reflective layer and a protective layer, and wherein the columnar crystals satisfy the relationship 1≦(b/a)≦3 wherein the letter a is the average crystal diameter of the columnar crystals at a height of 1 μm, and the letter b is the average crystal diameter of the columnar crystals at a height of 3 μm, both heights being values from the side adjacent to the support, and the average crystal diameter b is not more than 3 μm.