A CMOS mini-SiPM detector with in-pixel data compression for PET applications

  title={A CMOS mini-SiPM detector with in-pixel data compression for PET applications},
  author={Leo H. C. Braga and Lucio Pancheri and Leonardo Gasparini and Matteo Perenzoni and Richard J. Walker and Robert K. Henderson and David Stoppa},
  journal={2011 IEEE Nuclear Science Symposium Conference Record},
A new architecture for PET photodetectors based on small-area SiPMs (mini-SiPMs) with individual SPAD digitization and in-pixel data compression is presented. The main goal of this architecture is to reduce the electronics area occupation per SPAD and thus improve the fill factor. Two compression schemes are described, spatial and temporal compression, and a combination of both is implemented in the pixel. Our first chip using this architecture is described, where each pixel contains a mini… CONTINUE READING
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