Cd1-xZnxTe detector imaging array

Jack F. Butler; Stan J. Friesenhahn; Clinton L. Lingren; Boris A. Apotovsky; F. Patrick Doty; William L. Ashburn; William P. Dillon

doi:10.1117/12.154607

14 September 1993 Cd_1-xZn_xTe detector imaging array

Jack F. Butler, Stan J. Friesenhahn, Clinton L. Lingren, Boris A. Apotovsky, F. Patrick Doty, William L. Ashburn, William P. Dillon

Author Affiliations +

Proceedings Volume 1896, Medical Imaging 1993: Physics of Medical Imaging; (1993) https://doi.org/10.1117/12.154607
Event: Medical Imaging 1993, 1993, Newport Beach, CA, United States

Abstract

A prototype portable gamma ray camera using 32 X 32 channels was developed. An experimental 3 X 3 sub-array of 5 mm X 5 mm CZT detectors was fabricated for use in system checkout and to investigate the applicability of CZT imaging arrays to nuclear medical imaging. Experiments were carried out to make a direct comparison of the imaging capabilities of the CZT sub-array with a state-of-the-art Anger camera. In a linespread study using a Tc-99m source embedded in a tissue equivalent absorber, contrasts of 9.5 for the CZT array and 3.4 for the Anger camera were observed. In a dynamic imaging experiment, the CZT imager appeared to have comparable resolution to and be somewhat more regular than the Anger camera.

Citation Download Citation

Jack F. Butler, Stan J. Friesenhahn, Clinton L. Lingren, Boris A. Apotovsky, F. Patrick Doty, William L. Ashburn, and William P. Dillon "Cd_1-xZn_xTe detector imaging array", Proc. SPIE 1896, Medical Imaging 1993: Physics of Medical Imaging, (14 September 1993); https://doi.org/10.1117/12.154607

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