Portable radiation detector and method of detecting radiation

Details Portable radiation detector and method of detecting radiation Portable radiation detector and method of detecting radiation

2006-10-03

2006-10-03

Hannaher, Constantine (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

C250S370070, C250S370110

Reexamination Certificate

active

07115872

ABSTRACT:
A radiation detector for dirty bomb and lost radioactive source detection applications is enclosed in a small pager-style housing made of impact resistant ABS plastic and epoxy binder composite which is relatively transparent to alpha, beta, gamma, fast neutron, and x-ray radiation, while also being optically opaque and providing a protective enclosure for the radiation detector components disposed inside the housing. The detector combines indirect radiation detection using a scintillator and photodiode and direct radiation detection by placing the photodiode and a high gain amplifier in the path of radiation. Semiconductors in these components generate an electrical signal from high energy radiation, whereby an alarm indicates the presence of the radiation.

REFERENCES:
patent: 4695730 (1987-09-01), Noda et al.
patent: 5256879 (1993-10-01), McNulty et al.
patent: 6433340 (2002-08-01), Penn
patent: 2003/0075685 (2003-04-01), Yamakawa
patent: 2003/0165211 (2003-09-01), Grodzins et al.

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