SPADnet: A Fully Digital, Networked Approach to MRI Compatible PET Systems Based on Deep-Submicron CMOS Technology

Edoardo Charbon, C Bruschini, C Veerappan, Leo H. C. Braga, Nicola Massari, Matteo Perenzoni, Leonardo Gasparini, David Stoppa, Richard Walker, Ahmet Erdogan, Robert Henderson, Stephen East, Lindsay Grant, B Jatekos, F Ujhelyi, G Erdei, E Lorincz, L Andre, L Maingault, V ReboudL Verger, E Gros D'aillon, P Major, Z Papp, Gabor Nemeth

Research output: Contribution to conferencePaperpeer-review

Abstract / Description of output

This paper is the first comprehensive presentation of the SPADnet concept. SPADnet is a fully digital, networked MRI compatible time-of-flight PET system, exploiting the speed and integration density of deep-submicron CMOS technologies. The core enabling technologies of SPADnet are a sensor device comprising an array of 8×16 pixels, each composed of 4 mini-SiPMs with in situ time-to-digital conversion, a multi-ring network to filter, carry, and process data produced by the sensor devices at 2Gbps, and a 130nm CMOS process enabling mass-production of photonic modules that are optically interfaced to scintillator crystals. The SPADnet photonic modules comprise a matrix of tightly packed sensor devices; each module is networked in multiple rings, where coincidence pairs are identified and readily used in reconstruction algorithms, enabling scalable, MRI compatible pre-clinical PET systems for multi-modal imaging.
Original languageEnglish
Number of pages4
DOIs
Publication statusPublished - Nov 2013
EventNuclear Science Symposium and Medical Imaging Conference (NSS/MIC) - Seoul, Korea, Republic of
Duration: 27 Oct 20133 Feb 2014

Conference

ConferenceNuclear Science Symposium and Medical Imaging Conference (NSS/MIC)
Country/TerritoryKorea, Republic of
CitySeoul
Period27/10/133/02/14

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