Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Reexamination Certificate
2009-03-20
2011-10-18
Porta, David (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Semiconductor system
C250S515100, C250S255000
Reexamination Certificate
active
08039810
ABSTRACT:
A scintillation-based detection device and method for continuous monitoring of flowing liquids for the presence of radionuclides. A side-stream pipe directs a portion of the monitored liquid from the main flow transfer pipe through and/or around the detector. Within the side-stream pipe is a scintillation detector assembly, having) either a nested-cylindrical or stacked-element shape. The real-time to near real-time detection capabilities are influenced by the total surface area of the detector assembly. The detectors are operated in anti-coincidence mode to distinguish pure beta-emitters from beta-gamma emitters and from pure gamma events. A gross beta count, gross gamma count, or some combination may also be determined.
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Koskelo Markku J.
Rodgers John C.
Boosalis Faye
Canberra Industries, Inc.
Carstens David W.
Carstens & Cahoon LLP
Porta David
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