Radiation image converting panel

Details Radiation image converting panel Radiation image converting panel

2008-12-10

2009-10-27

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

C438S087000

Reexamination Certificate

active

07608835

ABSTRACT:
The present invention relates to a radiation image converting panel that effectively prevents deterioration in fluorescence lifetime by a simpler structure. The radiation image converting panel comprises a support body, and a radiation converting film formed on the support body. The radiation converting film is formed on a film forming region which exists within a first main surface of the support body and includes at least a gravity center position of the first main surface. The radiation converting film is doped with Eu, and an Eu concentration distribution has a concentration gradient so as to become higher in the periphery than in the vicinity of the center of the radiation convert film. By thus providing a concentration gradient for the concentration of Eu to be doped, a drop in luminance in the periphery of the radiation converting film can be reduced.

REFERENCES:
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patent: 4344803 (1982-08-01), Kasper
patent: 6259099 (2001-07-01), Foulon et al.
patent: 2008/0083877 (2008-04-01), Nomura et al.
patent: 2008/0121807 (2008-05-01), Valvo et al.
patent: 2-058000 (1990-02-01), None
patent: 2005-315786 (2005-11-01), None

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