Importance

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Abstract

An x-ray scanning assembly includes a disk chopper wheel configured to be irradiated by an x-ray beam and to block x-ray radiation of the x-ray beam, the wheel having a rim and a center. The disk chopper wheel defines therein two or more radial slits extending radially toward a rim and a center of the wheel, the slits configured to pass x-ray radiation of the x-ray beam therethrough and having at least two respective, distinct widths. An x-ray beam collimation system includes an x-ray source configured to output x-ray radiation; a collimator configured to receive the x-ray radiation form a collimated x-ray fan beam to be received at a chopper wheel. The collimated x-ray fan beam has a cross-sectional length and a cross-sectional width, smaller than the length, measured at the chopper wheel. The collimator includes a width adjustor configured to adjust width of the fan beam.

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First Claim