Modular 64x64 CdZnTe arrays with multiplexer readout for high-resolution nuclear medicine imaging

被引:2
|
作者
Woolfenden, JM [1 ]
Barber, HB [1 ]
Barrett, HH [1 ]
Dereniak, EL [1 ]
Eskin, JD [1 ]
Marks, DG [1 ]
Matherson, KJ [1 ]
Young, ET [1 ]
Augustine, FL [1 ]
机构
[1] Univ Arizona, Dept Radiol, Tucson, AZ 85724 USA
关键词
D O I
10.1557/PROC-487-239
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We are developing modular arrays of CdZnTe radiation detectors for high-resolution nuclear medicine imaging. Each detector is delineated into a 64x64 array of pixels; the pixel pitch is 380 mu m. Each pixel is connected to a corresponding pad on a multiplexer readout circuit. The imaging system is controlled by a personal computer. We obtained images of standard nuclear medicine phantoms in which the spatial resolution of approximately 1.5 mm was limited by the collimator that was used. Significant improvements in spatial resolution should be possible with different collimator designs. These results are promising for high-resolution nuclear medicine imaging.
引用
收藏
页码:239 / 243
页数:5
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