Radiant energy – Invisible radiant energy responsive electric signalling – With means to inspect passive solid objects
Reexamination Certificate
2006-04-13
2008-09-02
Hannaher, Constantine (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
With means to inspect passive solid objects
C376S159000
Reexamination Certificate
active
07420175
ABSTRACT:
This invention is related to equipment and techniques for fast neutron activation analysis of explosives and /or other warfare agent. The techniques are based on 14 MeV fast neutrons from D-T fusion reaction, the kinematics of the nuclear reaction and fast coincidence between α-particles of the D-T reaction and γ-quanta from fast neutron induced reactions. A fast neutron generator with effective target cooling and different operation modes provides high neutron yield, long life, and simple maintenance of the equipment and good geometric resolution of the directional neutron beam. High positional resolution of the directionally scanning neutron beam, high time resolution of the coincidence and high neutron yield provide the real time robust screen of explosives with high speed and/or high sensitivity, flexibility for big and small items and overall high probability of detection (PD) and low probability of false alarms (PFA). The remote video scan device also has zooming capability to change solid angle.
REFERENCES:
patent: 5076993 (1991-12-01), Sawa et al.
patent: 2003/0165212 (2003-09-01), Maglich
Chu Wei-Kan
Lui Jiarui
Akin Gump Strauss Hauer & Feld & LLP
Hannaher Constantine
University of Houston
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