Device for measuring radioactive contamination of a body
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United States of America Patent
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Jun 8, 1993
Grant Date -
N/A
app pub date -
Dec 11, 1991
filing date -
Dec 11, 1990
priority date (Note) -
Expired
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Abstract
A device for measuring radioactive contamination of a body includes a scintillator crystal (1) sensitive to gamma radiation emitted during disintegration of the radioactive elements (I, Cs, Co) contaminating a body to which the end of scintillator (1) is applied. A photodiode (2) converts the photons generated in scintillator (1) by the gamma radiation into electric charges. A mechanism (3, 7) converts these charges into amplified, frequency-filtered voltage pulses. Pulse counts in a plurality of bands and deconvolution effected by an electronic mechanism (8) built into the device allow measurement of the contamination of the body by each of the radioactive elements in question.
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