Selection Of Screen-Film CombinationS

K. W. Taylor; B. P. McLeish; B. B. Hobbs; T. J. Hughes

doi:10.1117/12.957157

6 July 1979 Selection Of Screen-Film Combinations

K. W. Taylor, B. P. McLeish, B. B. Hobbs, T. J. Hughes

Proceedings Volume 0173, Application of Optical Instrumentation in Medicine VII; (1979) https://doi.org/10.1117/12.957157
Event: Application of Optical Instrumentation in Medicine VII, 1979, Toronto, Canada

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.

Citation Download Citation

K. W. Taylor, B. P. McLeish, B. B. Hobbs, and T. J. Hughes "Selection Of Screen-Film Combinations", Proc. SPIE 0173, Application of Optical Instrumentation in Medicine VII, (6 July 1979); https://doi.org/10.1117/12.957157

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