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Proceedings Paper

Selection Of Screen-Film CombinationS
Author(s): K. W. Taylor; B. P. McLeish; B. B. Hobbs; T. J. Hughes
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Paper Abstract

The speeds of screen-film combinations available in Canada have been measured at 75 kVp with appropriately filtered beams. The influence on speeds of kVp, attenuation of the front of the cassette, age and use of screens, reciprocity failure and film variations from batch to batch is surveyed. The significance of the observed variations in speed (in selecting screen-film combinations) is considered. A set of radiographs of head and body phantoms has been used to examine the criteria which radiologists use in defining a 'good' radiograph and from this a qualitative assessment has been made of the priorities in selection of screen-film combinations.

Paper Details

Date Published: 6 July 1979
PDF: 6 pages
Proc. SPIE 0173, Application of Optical Instrumentation in Medicine VII, (6 July 1979); doi: 10.1117/12.957157
Show Author Affiliations
K. W. Taylor, University of Toronto (Canada)
B. P. McLeish, University of Toronto (Canada)
B. B. Hobbs, University of Toronto (Canada)
T. J. Hughes, University of Toronto (Canada)


Published in SPIE Proceedings Vol. 0173:
Application of Optical Instrumentation in Medicine VII
Joel E. Gray, Editor(s)

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