Conference Paper

Further readout electronics development for the ISPA gamma camera

Univ. of Algarve, Faro, Portugal
DOI: 10.1109/NSSMIC.2003.1352364 Conference: Nuclear Science Symposium Conference Record, 2003 IEEE, Volume: 4
Source: IEEE Xplore

ABSTRACT The ISPA (Imaging Silicon Pixel Array)-tube is a position sensitive photon detector based on the hybrid technology. It detects light via a photocathode and an appropriate electric field accelerates the emitted photoelectrons towards a silicon pixel anode. This anode, finely segmented into pixel detectors provides binary images and allows for the self-triggering of the tube. Coupled to scintillating crystals, ISPA-tubes have been successfully tested in the field of gamma ray imaging, demonstrating real capabilities in both space and energy resolution. Recently, we have concentrated our efforts on the development of a compact and portable readout system based on new electronics and able to provide full control and real-time processing of ISPA-tubes. The system overview and the dedicated interface are presented in this paper.


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