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6 July 1979 Micro-Dose Radiography: Physics Of A System
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Proceedings Volume 0173, Application of Optical Instrumentation in Medicine VII; (1979) https://doi.org/10.1117/12.957167
Event: Application of Optical Instrumentation in Medicine VII, 1979, Toronto, Canada
Abstract
The Medical Micro-Dose X-Ray System was developed for human use from airport baggage inspection equipment and is the subject of this report. A heavily collimated lmmxlmm beam of x-ray scans the object. The x-ray beam moves linearly in relation to the object in both x and y axes. The x-ray beam is detected by a sodium iodide crystal. The resultant information is digitized and a direct video display is produced. 1024 levels of gray are stored and the displayed image is computer variable (much like a computerized tomography (CT) image). This variability allows the stored image to be displayed as many useful images. Linear resolution of 0.67 line pairs per millimeter has been obtained. A routine scan of fifteen by twenty inches is produced in sixteen seconds with a dosage of less than five hundred microrads to the patient. The medical uses of the Micro-Dose System are being investigated and preliminary results are favorable.
© (1979) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
David J. Curtis, Paul Bjorkholm, Edwin Frederick, Theodore L. Houk, Lloyd Salisbury, and John H. Jackson "Micro-Dose Radiography: Physics Of A System", Proc. SPIE 0173, Application of Optical Instrumentation in Medicine VII, (6 July 1979); https://doi.org/10.1117/12.957167
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