X-ray diffraction (Xrd) means for identifying the content in a volume of interest and a method thereof
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United States of America Patent
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Nov 17, 2009
Grant Date -
May 17, 2007
app pub date -
Jan 11, 2005
filing date -
Jan 12, 2004
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Abstract
The present invention discloses an XRD means for identifying the content of a volume of interest (VOI) and a method thereof. A remote XRD means is comprised inter alia of a plurality of x-ray sources target toward the VOI. A plurality of x-ray detectors adapted to receive diffracted X-rays. A processor adapted to measure the diffracted x-ray patterns. A database comprising records of patterns parameters; and, an alerting means adapted for identifying material as one of the predetermined groups in the record. This invention also discloses a method of acquiring XRD image of a material in a VOI, comprised of receiving VOI coordinates; irradiating the material in the VOI; acquiring, extracting and converting of XRD patterns of the VOI to standard powder X-ray diffraction spectrum; matching records in a database for material identification; and alerting when the material is in a matching predetermined record.
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