PET scanner with structured optical element

Details PET scanner with structured optical element PET scanner with structured optical element

2006-01-31

2006-01-31

Porta, David (Department: 2878)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

C250S363010, C250S36100C, C250S336200, C250S336100

Reexamination Certificate

active

06992295

ABSTRACT:
A PET scanner includes a scintillator block and a plurality of photodetectors, each of which has a field of view that includes a portion of the scintillator block. An optical element is disposed between the scintillator block and the plurality of photodetectors. The optical element has a first layer and a second layer. The first layer has a central region and a peripheral region separated by a first gap. The second layer has at least a first region and a second region separated by a second gap.

REFERENCES:
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patent: 5783829 (1998-07-01), Sealock et al.
patent: 6362479 (2002-03-01), Andreaco et al.
patent: 6462341 (2002-10-01), Muehllehner
patent: 6828564 (2004-12-01), Worstell et al.
patent: 2004/0004188 (2004-01-01), Tai

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