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Proceedings of Topical Workshop on Electronics for Particle Physics — PoS(TWEPP-17)
Time-of-flight (TOF) measurement in PET scanners allows a more accurate image reconstruction and/or a lower delivered radiation dose. We are developing a fully custom ASIC to take advantage of the characteristics of the SiGe Bi-CMOS process for timing measurements, integrating a fullydepleted pixel matrix with a low-power BJT-based front-end per channel, integrated on the same 100 µm thick die. All the pixels are multiplexed to a single TDC to extract timing information. Each front-end includesdoi:10.22323/1.313.0043 fatcat:r7irf25zmffypau2wfbthcmo6i