Radiation image converting panel

Details Radiation image converting panel Radiation image converting panel

2011-08-30

2011-08-30

Hannaher, Constantine (Department: 2884)

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

C427S065000

Reexamination Certificate

active

08008634

ABSTRACT:
A radiation image converting panel has a structure capable of arbitrarily controlling a change in luminance distribution of an entire panel surface after formation of a moisture-resistant protective film. The radiation image converting panel comprises a radiation converting film doped with Eu and covered with a moisture-resistant protective film. The Eu concentration in the radiation converting film is preliminarily adjusted such that the Eu concentration at a central portion or peripheral portion of the film falls within an optimal range, and the other film portion is provided with a positive or negative concentration gradient such that the Eu concentration thereof gradually become higher or lower than the optimal range. The luminance distribution of the entire panel in which the moisture-resistant protective film has been formed can be controlled by providing the Eu concentration to be added with a concentration gradient.

REFERENCES:
patent: 2003/0042429 (2003-03-01), Isoda
patent: 2004/0146639 (2004-07-01), Isoda
patent: 2007/0205371 (2007-09-01), Inoue
patent: 1830226 (2007-09-01), None
patent: 2003-028994 (2003-01-01), None
patent: 2005-091146 (2005-04-01), None
patent: 2005-091148 (2005-04-01), None

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