2014 | OriginalPaper | Buchkapitel
kVp Tool for Digital Mammography Using Commercial Metallic Foils
verfasst von : Héctor A. Galván, Yolanda Villaseñor
Erschienen in: Breast Imaging
Verlag: Springer International Publishing
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An alternative method to evaluate the kVp on digital mammography units was developed using commercial metallic foils of different elements and an aluminum step wedge contained in a mammography test phantom developed at National University of México (UNAM) as a low cost tool. Relative response of metallic foils
(Cu+5Al+8Al) / (Mo+Rh+Ag) vs kVp
, for a numerical analysis and in experimental method of three FFDM systems, shows a linear behavior and permits to calculate kVp with precision of ±0.4 kV. First results are shown and further work is still in process.