X-Ray Chopper Wheel Assembly and Method
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United States of America Patent
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Issued Date -
Apr 25, 2024
app pub date -
Sep 26, 2023
filing date -
Sep 26, 2023
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Abstract
An x-ray chopper wheel assembly includes a disk chopper wheel and a source-side scatter plate that has a solid cross-sectional area that absorbs x-ray radiation and is substantially smaller than a solid cross-sectional area of the disk chopper wheel. The assembly also includes a support structure that secures the source-side scatter plate substantially parallel to the disk chopper wheel, with a source-side gap between the scatter plate and the disk chopper wheel being a distance that substantially prevents x-ray leakage. An additional, output-side scatter plate may also be provided to reduce x-ray leakage further. Embodiments enable safe operation while significantly reducing weight, which is advantageous for a variety of disk-chopper-wheel-based x-ray scanning systems, especially hand-held x-ray scanners.
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