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collimator |
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collimator (kol´imātur), n a diaphragm or system of diaphragms made of an absorbent material and designed to define the dimensions and direction of a beam of radiation. collimator a device, sometimes a diaphragm, or series of diaphragms, which control the direction and the dimensions of the x-ray beam. |
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The small angle scattering effect from this material was studied to obtain initial data for the design of precise collimators. The idea of using such glass-fiber lenses or collimators to guide X-rays and neutrons originated with Muradin A. Inveon features advanced multi-pinhole SPECT collimators for improved sensitivity and spatial resolution; groundbreaking new PET and SPECT acquisition and processing technology; and a unique PET transmission method for faster and more accurate attenuation correction. |
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collimators
