Radiant energy – Radiant energy generation and sources – With container for radioactive source and radiation...
Patent
1993-09-23
1994-12-27
Berman, Jack I.
Radiant energy
Radiant energy generation and sources
With container for radioactive source and radiation...
2502521, 378207, G21F 502
Patent
active
053768035
ABSTRACT:
A device for testing a radiation detector system that includes at least two arrays of radiation detectors that are movable with respect to each other. The device includes a "shield plate" or shell, and an opposing "source plate" containing a source of ionizing radiation. Guides are attached to the outer surface of the shell for engaging the forward ends of the detectors, thereby reproducibly positioning the detectors with respect to the source and with respect to each other, thereby ensuring that a predetermined portion of the radiation emitted by the source passes through the shell and reaches the detectors. The shell is made of an hydrogenous material having approximately the same radiological attenuation characteristics as composite human tissue. The source represents a human organ such as the lungs, heart, kidneys, heart, liver, spleen, pancreas, thyroid, testes, prostate, or ovaries. The source includes a source of ionizing radiation having a long half-life and an activity that is within the range typically searched for in human subjects.
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Johnson Tippi H.
Kirkham Tim J.
Mc Fee Matthew C.
Berman Jack I.
Dixon Harold H.
Moser William R.
The United States of America as represented by the United States
Tumm Brian R.
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