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Design and preliminary performance of a readout ASIC for CZT based high resolution PET

: Voelker, Matthias; Carrascal, Jorge García; Soriano-Asensi, Antonio; Cela, Jose Manuel; Sánchez, Filomeno; Perez, Jose M.; Hauer, Johann; Benlloch, Jose-Maria


IEEE Nuclear and Plasma Sciences Society:
IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011 : Valencia, Spain, 23 - 29 October 2011; and 18th International Workshop on Room-Temperature Semiconductor X-ray and Gamma-ray Detectors ; Workshop on Helium-3 Alternatives for Neutron Detection
Piscataway: IEEE, 2012
ISBN: 978-1-4673-0118-3 (print)
ISBN: 978-1-4673-0120-6
ISSN: 1095-7863
Nuclear Science Symposium (NSS) <2011, Valencia>
Medical Imaging Conference (MIC) <2011, Valencia>
International Workshop on Room-Temperature Semiconductor X-Ray and Gamma-Ray Detectors (RTSD) <18, 2011, Valencia>
Conference Paper
Fraunhofer IIS ()

Position emission tomography based brain imaging of small mice requires detection systems with very high spatial resolution, which is conditioned by pixel size. Cutting and polishing scintillating crystals into small pixels is not straightforward. CZT detectors can operate at room temperature, and their manufacturing processes permit detectors with small pixel sizes. The high charge yield favors an improvement in energy resolution when compared with scintillating crystals.