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Gamma radiation field intensity meter

Patent ·
OSTI ID:119055

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. 4 figs.

Research Organization:
Lockheed Martin Energy Syst Inc
DOE Contract Number:
AC05-84OR21400
Assignee:
Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States)
Patent Number(s):
US 5,459,366/A/
Application Number:
PAN: 8-258,003
OSTI ID:
119055
Country of Publication:
United States
Language:
English

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