Combined X-ray CT/neutron material identification system
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United States of America Patent
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Jun 23, 2009
Grant Date -
Dec 13, 2007
app pub date -
Apr 27, 2007
filing date -
May 5, 2006
priority date (Note) -
Expired
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Abstract
A system and methods for identifying contents of an enclosure such as an air cargo container. A three-dimensional image indicative of at least one of the CT number and the density of contents of the enclosure is obtained using penetrating radiation such as x-rays. If one or more suspect regions are identified among contents of the enclosure, a collimated neutron beam is activated to traverse each suspect region and fluorescent emission from the suspect region is detected, allowing material within the suspect region to be characterized based at least on the detected fluorescent emission. Additionally, the collimated neutron beam may be employed for neutron imaging of the contents of the enclosure.
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