CT scanning and contraband detection

Details CT scanning and contraband detection CT scanning and contraband detection

2011-04-19

2011-04-19

Kiknadze, Irakli (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Absorption

C378S053000

Reexamination Certificate

active

07929664

ABSTRACT:
CT scanning of transportation containers is performed by generating X-rays at various points at the opposite sides of the containers, detecting the X-rays passing through the containers, and analyzing the data received to determine the presence of contraband. The X-rays are generated by modulating a magnetic field through which a high-energy electron beam passes to deflect the beam successively to different targets positioned around the sides of the container, while the electron beam source remains stationary. The X-rays are detected by an array of cells using X-ray responsive storage phosphor material to emit light which is sent to analyzing and comparing equipment. The targets and detectors and the cargo container are moved relative to one another to scan a selected volume of the container.

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