Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1982-08-09
1985-07-16
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250370, G01T 124
Patent
active
045298823
ABSTRACT:
A gamma radiation camera and a method are disclosed for creating an image of the radiation density of a source of photons. The camera comprises a detecting device made with solid-state material capable of generating electron-hole pairs as a result of collisions between photons and such material. The camera further includes an identifying device which identifies an ordered pair of said collisions in which both collisions result from a common photon. The camera further includes apparatus for determining an image of said source of common photon from the locations of the collisions of, and the number of electron-hole pairs generated by said ordered pair of collisions.
The apparatus for determining an image determines a collision line between two collisions of an ordered pair, and determines the angle of Compton scattering relative to the collision line which occurs at a first of the collisions of such a selected pair. In a preferred embodiment the gamma camera includes a parallel plate collimator placed between the detecting device and the position at which the source of photons is to be located. In such a preferred embodiment, the gamma camera further includes a second line determining device for determining a second line parallel with the collimation plane which forms the determined Compton scattering angle with the collision line at the location of the first collision of the selected pair.
REFERENCES:
patent: 3699340 (1972-10-01), Hick et al.
patent: 4047037 (1977-09-01), Schlosser et al.
patent: 4055765 (1977-10-01), Gerber et al.
patent: 4258428 (1981-03-01), Woronowicz
D. B. Everett, J. S. Fleming, R. W. Todd, J. M. Nightingale, "A Prototype Gamma Camera Using the Compton Effect", Proceedings of the Conference on the Applications of Electronics in Medicine, Southampton, Hants, England, (Apr. 6-8, 1976), pp. 371-378, esp. p. 372.
R. W. Todd, J. M. Nightingale, D. B. Everett, "A Proposed Gamma Camera", Nature, vol. 251, (Sep. 13, 1974), pp. 132-134.
D. Doria and M. Singh, "Comparison of Reconstruction Algorithms for an Electronically Collimated Gamma Camera", Abstracts of Papers, IEEE 1981 Nuclear Science Symposium, Oct. 21-23, 1981.
"The Fan Beam Camera", Physics of Medical Biology, 1975, vol. 20, No. 3, pp. 489-491.
Bronstein Sewall P.
E. I. du Pont de Nemours & Company
Hannaher Constantine
Howell Janice A.
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