Radiation image conversion panel

Details Radiation image conversion panel Radiation image conversion panel

2008-05-13

2008-05-13

Porta, Dave (Department: 2884)

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

Reexamination Certificate

active

11576392

ABSTRACT:
An objective is to provide a radiation image conversion panel exhibiting excellent graininess and reduced x-ray damage (luminance degradation) . A radiation image conversion panel comprising a support and provided thereon, a stimulable phosphor layer containing a stimulable phosphor in a polymer resin, wherein a luminescence intensity ratio of (A) stimulable phosphor particles comprising a smallest average particle diameter to (B) stimulable phosphor particles comprising a largest average particle diameter is 0.81.2, provided that a total average particle diameter of all the stimulable phosphor particles is 3.0-10.0 μm, an average particle diameter of (A) is 2.0-6.0 μm, an average particle diameter of (B) is 6-15 μm, and a content of (A) or (B) is within the range of at least 10% by weight and at most 90% by weight, based on the total stimulable phosphor content.

REFERENCES:
patent: 6344657 (2002-02-01), Matsumoto et al.
patent: 2003/0160186 (2003-08-01), Van den Bergh et al.
patent: 2007/0246661 (2007-10-01), Hagiwara et al.

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