Comparison Of Intensity And Time Scale Sensitometric Methods For Evaluating Screen-Film Systems

Jose A. Bencomo; Arthur G. Haus

doi:10.1117/12.957119

6 July 1979 Comparison Of Intensity And Time Scale Sensitometric Methods For Evaluating Screen-Film Systems

Jose A. Bencomo, Arthur G. Haus

Proceedings Volume 0173, Application of Optical Instrumentation in Medicine VII; (1979) https://doi.org/10.1117/12.957119
Event: Application of Optical Instrumentation in Medicine VII, 1979, Toronto, Canada

Abstract

For the sensitometric evaluation of screen-film systems, consideration of reciprocity law failure (RLF) is necessary because it affects the choice of exposure modulation method. The effect of RLF on determining characteristic curves of screen-film systems is experimentally evaluated by comparing time-scale and intensity-scale methods and by comparing different exposure times in the intensity-scale method. A specially designed x-ray sensitometer permits very precise exposures for both time-scale and intensity-scale sensitometry. Results are presented for Kodak Min-R and Dupont Lo-dose/2 screen-film systems.

Citation Download Citation

Jose A. Bencomo and Arthur G. Haus "Comparison Of Intensity And Time Scale Sensitometric Methods For Evaluating Screen-Film Systems", Proc. SPIE 0173, Application of Optical Instrumentation in Medicine VII, (6 July 1979); https://doi.org/10.1117/12.957119

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