Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Reexamination Certificate
2007-07-24
2010-06-15
Porta, David P (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
C250S367000, C250S370110
Reexamination Certificate
active
07737408
ABSTRACT:
A scintillation detector according to an embodiment of the invention features a monolithic scintillation crystal and a plurality of optical fibers coupled to the scintillation crystal. The optical fibers are arranged to convey scintillation light to an optical sensor that is located exterior to the scintillation crystal. Because the optical fibers are extremely small in diameter, a multiplicity of them can be coupled to the scintillation crystal to provide the extremely high resolution of a pixelated scintillation crystal while the comparative manufacturing simplicity of a monolithic scintillation crystal is maintained. In preferred embodiments, the optical fibers are further arranged so that depth of interaction information can be obtained.
REFERENCES:
patent: 2004/0200966 (2004-10-01), Ramsden
patent: 2004/0262526 (2004-12-01), Corbeil et al.
patent: WO 2007011214 (2007-01-01), None
D. Gagnon; et al., Maximum Likelihood Positioning in the Scintillation Camera Using Depth of Interaction, IEEE Tranasctions on Medical Imaging, vol. 12, No. 1, Mar. 1993, pp. 101-107.
Gaworecki Mark R
Kendall Peter L.
Porta David P
Siemens Medical Solutions USA , Inc.
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