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US 7,135,688 B2Granted
Apparatus and method for the detection of the energy of ionizing electro-magnetic radiation
AssigneeMirmar Sensor, L.L.C.
InventorAlbert Beyerle
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Abstract
A spectrometer system employs a gridless Xenon detector having an anode and a cathode supported in spaced relation from the anode devoid of structure intermediate the anode and cathode. Pulses resulting from charge collection due to radiation ionization of the Xenon gas are detected and parametrized by a computation engine through multiple detected pulses. Simultaneous determination of the position and ionization energy allows selective presentation of the data to compensate for various position dependent phenomena.
Claims11
A spectrometer system employing a gridless Xenon detector comprising:
- a detector having
- a pressure vessel containing high pressure Xenon gas,
- an anode supported within the pressure vessel,
- a cathode supported in spaced relation from the anode devoid of structure intermediate the anode and cathode,
- means for creating an electric field between the anode and cathode and maintaining a fixed potential between the anode and cathode including a preamplifier electrically connected to the anode and cathode;
- means for detecting pulses from the preamplifier resulting from charge collection due to radiation ionization of the Xenon gas in the detector;
- and
- means for parameterization of the detected pulses by comparison to a mathematical model to extract gamma-ray interaction information including energy and position.
5 more elements
Dependencies are inferred from the claim text.