Internal imaging system
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United States of America Patent
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May 12, 2015
Grant Date -
Aug 8, 2013
app pub date -
Feb 7, 2013
filing date -
Feb 8, 2012
priority date (Note) -
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Abstract
A system for the inspection of the internal structure of a target includes at least one x-ray source that emits collimated x-rays to irradiate the target. At least one detector is positioned to detect backscatter x-rays from the target. The detector may include a collimation slot that limits the field of view of the detector. The target may be a railway component and the system may inspect the internal structure of the component as it is moved along the railway by a vehicle. The system may detect a change in the density of a target based on a comparison of the detected backscatter x-rays. The use of a plurality of segmented backscatter x-ray detectors having a collimation slot may pixelate the internal image in the direction of the collimation slot.
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