Gamma radiation field intensity meter
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United States of America Patent
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Oct 17, 1995
Issued Date -
N/A
app pub date -
Jun 10, 1994
filing date -
Apr 9, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gamma radiation intensity meter measures dose rate of a radiation field. The gamma radiation intensity meter includes a tritium battery emitting beta rays generating a current which is essentially constant. Dose rate is correlated to an amount of movement of an electroscope element charged by the tritium battery. Ionizing radiation decreases the voltage at the element and causes movement. A bleed resistor is coupled between the electroscope support element or electrode and the ionization chamber wall electrode.
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