Multi-density and multi-atomic number detector media for applica

Details Multi-density and multi-atomic number detector media for applica Multi-density and multi-atomic number detector media for applica

1998-05-14

2000-05-30

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Plural signalling means

2503851, 250374, 25037001, 250324, 25036302, G01T 124

Patent

active

060693622

ABSTRACT:
A multi-detector system receives incident radiation through a subject includes a gaseous microstrip detector, which has alternating anodes and cathodes on a substrate opposite a voltage source, is positioned adjacent a semiconductor detector. In a dual energy environment, electric fields are applied to both detectors as the incident radiation is directed therethrough. Accordingly, the detectors generate corresponding signals which are compared to generate a contrasted signal of the subject. These signals may be generated for imaging, radiation monitoring, radiation measuring and the like. The direction of incident radiation and the orientation of the electric fields may be adjusted according to the particular application. Additionally, the system can be utilized in a single-energy environment where two images of the same incident radiation energy will be formed from the different detector media. By utilizing various processing techniques enhanced contrast between the images can be obtained.

REFERENCES:
patent: 4707608 (1987-11-01), DiBianca
patent: 4780897 (1988-10-01), McDaniel
patent: 5451793 (1995-09-01), Boone
patent: 5500534 (1996-03-01), Robinson et al.
patent: 5677539 (1997-10-01), Apotovsky et al.

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