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CdZnTe solid-state gamma camera

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12 Author(s)

We report the development of a CdZnTe gamma ray imager whose advantages over the conventional Anger camera include: (1) improved contrast resulting from superior energy resolution and unambiguous position determination and (2) the small size and weight and high, reliability inherent in an all-solid-state construction. It provides high energy resolution and peak efficiency by incorporating Digirad's new SpectrumPlus(TM) detector technology. The new imager employs a modular design, in which each 1"×1" module incorporates a monolithic 64-element CdZnTe detector array and ASIC-based circuity that provides signal conditioning for every channel, identification of valid events and addressing functions. Imagers with a wide range of sizes and shapes can be assembled by tiling modules together on a specially designed signal routing board

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Nuclear Science, IEEE Transactions on  (Volume:45 ,  Issue: 3 )