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6 March 2006 Stationary x-ray source for tomographic medical imaging
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A stationary x-ray source for tomographic medical imaging is being developed. The source is based upon a matrix addressable array of microfabricated cold cathodes. The characteristics of the x-ray source for breast imaging applications are being quantified. Emission currents exceeding 300 mA from 1 sqmm cathodes have been observed and currents exceeding 100 mA are now routine. X-ray focal spots on the order of 0.2 mm in diameter have been produced with currents of 25 mA @ 25 kV dc.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Paul R. Schwoebel and John M. Boone "Stationary x-ray source for tomographic medical imaging", Proc. SPIE 6142, Medical Imaging 2006: Physics of Medical Imaging, 61423N (6 March 2006);


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