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Abstract

An x-ray scanner includes an x-ray source producing a fan beam of x-rays, an x-ray detector array, a collimator, a second motor moving TDI detector arrays, and an x-ray processing unit. The detector array has the TDI arrays and detects x-rays from the source. The collimator disposed between the source and detector array defines slits to collimate the fan beam of x-rays into lateral beams with a height dimension the same as a height dimension of the TDI detector arrays. Either the collimator is fixed to the x-ray source or moves thereto. A first motor moves the collimator or the collimator and source together. The processing unit controls the motors, processes detection of the x-rays, and forms an image of an entity between the collimator and the detector array to have an intensity and contrast of the scanned image be maximized while an exposure dose for the entity is minimized.

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First Claim