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Proceedings Paper

Evaluation of direct detection and indirect detection active matrix flat-panel imagers (AMFPIs) for digital mammography
Author(s): Kyung-Wook Jee; Larry E. Antonuk; Youcef El-Mohri; Manat Maolinbay; Qihua Zhao
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Paper Abstract

Initial results from an examination of the performance of small-area, high-spatial-resolution, active matrix, flat- panel imager prototypes, under conditions relevant to mammographic imaging, are reported. These prototypes are based on two 512 X 512 pixel designs: (1) a 75 micrometers pitch indirect-detection array incorporating a continuous photodiode surface operated with a 34 mg/cm2 Gd2O2S:Tb phosphor screen and with a 150 micrometers thick structured CsI(Tl) scintillator on a fiber-optic plate (which was designed to provide high spatial resolution at the expense of light output); and (2) two 100 micrometers pitch direct-detection arrays with approximately 47 micrometers and approximately 100 micrometers thick PbI2 photoconductive coatings.

Paper Details

Date Published: 28 June 2001
PDF: 11 pages
Proc. SPIE 4320, Medical Imaging 2001: Physics of Medical Imaging, (28 June 2001); doi: 10.1117/12.430879
Show Author Affiliations
Kyung-Wook Jee, Univ. of Michigan (United States)
Larry E. Antonuk, Univ. of Michigan (United States)
Youcef El-Mohri, Univ. of Michigan (United States)
Manat Maolinbay, Univ. of Michigan (United States)
Qihua Zhao, Univ. of Michigan (United States)

Published in SPIE Proceedings Vol. 4320:
Medical Imaging 2001: Physics of Medical Imaging
Larry E. Antonuk; Martin Joel Yaffe, Editor(s)

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