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US 2008/0044762 A1Published application
Radiographic image conversion panel and production method thereof
AssigneeKonica Minolta Medical & Graphic, Inc.
InventorsHideki Shibuya, Kuniaki Nakano, Shigetami Kasai
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Abstract
A radio graphic image conversion panel containing a substrate having thereon a phosphor layer formed by a vapor-accumulating method, wherein the phosphor layer has a thickness distribution of not more than ±20%, the thickness distribution being defined by the formula: ((Dmax−Dmin)/(Dmax+Dmin))×100, provided that Dmax is a maximum thickness of the phosphor layer; and Dmin is a minimum thickness of the phosphor layer.
Claims12
1-27. (canceled)
A radiographic image conversion panel comprising a substrate having thereon a phosphor layer formed by a vapor-accumulating method,
- wherein the phosphor layer has a thickness distribution of not more than +/−20%, the thickness distribution being defined by the following formula:
- ((Dmax−Dmin)/(Dmax)+Dmin))×100,
- provided that Dmax is a maximum thickness of the phosphor layer;
- and Dmin is a minimum thickness of the phosphor layer;
- and
- wherein the thickness distribution of the phosphor layer is isotropic from a center of the radiographic image conversion panel, and the phosphor layer has a thickness variation coefficient of not more than 40%, the thickness variation coefficient being defined by the following formula:
- (Ddev/Dav)*100,
- provided that Dav is an average thickness of the phosphor layer;
- and Ddev is a standard deviation of thickness of the phosphor layer.
6 more elements
Dependencies are inferred from the claim text.