Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Reexamination Certificate
2006-05-02
2006-05-02
Hannaher, Constantine (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
Reexamination Certificate
active
07038210
ABSTRACT:
A rotating ceptor20provided inside a detector portion10includes nine shield plates S1to S9disposed in parallel to each other in between adjacent detector rings R, acts as a collimator, and allows only those photon pairs that have traveled approximately parallel to a slice plane to be made incident upon photon detectors D located behind the rotating ceptor20. Each of the shield plates S is not formed annularly, and provided near the measurement field of view1of part of N photon detectors D that constitute each of the detector rings R. The rotating ceptor20is rotatable about its center axis. Each of the shield plates S is provided with bar-shaped radiation source insertion holes20aand20bfor allowing a bar-shaped positron emission radiation source3to be inserted therein and supported thereby.
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Okada Hiroyuki
Tanaka Eiichi
Yamashita Takaji
Drinker Biddle & Reath LLP
Hamamatsu Photonics K.K.
Hannaher Constantine
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