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Development of edge-on type CdTe detector module for gamma camera

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9 Author(s)
Isao Takahashi ; Hitachi Consumer Electronics Co., Ltd., Hitachi-shi, Ibaraki-ken, 319-1221 Japan ; Takafumi Ishitsu ; Hidetaka Kawauchi ; Juhyun Yu
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The detector module using CdTe with edge-on configuration was developed. The pixel pitch is 1.4 mm, and 1024 pixels constitute the field of view of 45 mm square. The CdTe crystals sandwich thin circuit boards to form CdTe cards, and 16 CdTe cards are mounted on the module. The intrinsic energy resolution of 4.4% (FWHM) was achieved with Tc-99m at CdTe temperature of 25 °C. It remains 5.1% at 40 °C, which implies the possibility of air-cooling system. Uniformity and count-rate performance were also evaluated.

Published in:

IEEE Nuclear Science Symposuim & Medical Imaging Conference

Date of Conference:

Oct. 30 2010-Nov. 6 2010