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

Isao Takahashi,T Ishitsu,Hidetaka Kawauchi,Juhyun Yu,Tomoyuki Seino,Izumi Fukasaku,Yoshinori Sunaga,Shinichi Inoue,Naoyuki Yamada

Nuclear Science Symposium Conference Record（2010）

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摘要

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.

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关键词

ii-vi semiconductors,biomedical equipment,cadmium compounds,cameras,sensors,single photon emission computed tomography,wide band gap semiconductors,cdte,air-cooling system,edge-on configuration,edge-on type detector module,gamma camera,intrinsic energy resolution,pixel pitch,temperature 25 degc to 40 degc,field of view

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