Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1992-05-13
1994-06-07
Dzierzynski, Paul M.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
25036304, G01T 120
Patent
active
053192044
ABSTRACT:
A positron emission topography camera is provided having an array of scintillation crystals placed adjacent other arrays to form an arcuate detection surface surrounding a patient area. Alternatively, the arrays may be placed in a planar configuration on opposing sides of the patient area. Either a three-dimensional image or a two-dimensional image can be formed from a patient's body placed within the patient area. Moreover, the edges between the arrays of crystals are offset in relation to the edges between the light detectors. Each light detector is suitably positioned adjacent four adjacent quadrants of four respective arrays to simultaneously detect radiation emitted from the four quadrants of each array. Moreover, each crystal within the array is selectively polished and selectively bonded to adjacent crystals to present a cross-coupled interface which can tunably distribute light to adjacent light detectors.
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patent: 5091650 (1992-02-01), Uchida et al.
W. Wong et al., "Characteristics of Small Barium Fluoride (BaF.sub.2) Scintillator for High Intrinsic Resolution of Time-of-Flight Positron Emission Tomography," IEEE Trans. on Nuclear Sci., vol. NS-31, pp. 381-386 (Feb. 1984).
W. Chang, et al., "A Multi-Detector Cylindrical Spect System for Phantom Imaging," IEEE, 90CH2975 pp. 1208-1211 (May 1990).
Wong, Wai-Hoi, et al., "A Slanting Light-Guide Analog Decoding High Resolution Detector for Positron Emission Tomography Camera", IEEE Transactions on Nuclear Science, vol. NS-34, pp. 280-284, 1987.
Seiichi Yamamoto, et al., "A BGO Detector Unit for a Stationary High Resolution Positron Emission Tomograph", J. of Computer Assisted Tomography, vol. 10(5), pp. 851-855.
Board of Regents , The University of Texas System
Dzierzynski Paul M.
Hanig Richard
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