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Proceedings Paper

A Standard Method For Determining The Efficiency Of Fluorescent X-Ray Intensifying Screens
Author(s): R. C. Placious; E. Stanley Moser; Russel S. Holland; Frank Masi
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Paper Abstract

A proposed ANSI standard for classifying radiographic intensifier screens has been under test at the National Bureau of Standards. This standard establishes procedures for characterizing, on an absolute basis, the optical spectral output of fluorescent screens per unit of incident x-ray exposure. The testing procedure has undergone revision since an earlier status report was given. Calcium tungstate screens, however, still form the basis of comparison in this procedure because of the long acceptability and stable output qualities of this screen. The nature of the revisions and current output data on the screens will be described.

Paper Details

Date Published: 27 December 1977
PDF: 4 pages
Proc. SPIE 0127, Application of Optical Instrumentation in Medicine VI, (27 December 1977); doi: 10.1117/12.955923
Show Author Affiliations
R. C. Placious, National Bureau of Standards (United States)
E. Stanley Moser, GAF Corp. (United States)
Russel S. Holland, E. I. duPont de Nemours & Co., Inc. (United States)
Frank Masi, U. S. Radium Corp (United States)


Published in SPIE Proceedings Vol. 0127:
Application of Optical Instrumentation in Medicine VI
Joel E. Gray; William R. Hendee, Editor(s)

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