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Position sensitive solid-state photomultipliers, systems and methods

United States Patent

November 11, 2014
View the Complete Patent at the US Patent & Trademark Office
An integrated silicon solid state photomultiplier (SSPM) device includes a pixel unit including an array of more than 2.times.2 p-n photodiodes on a common substrate, a signal division network electrically connected to each photodiode, where the signal division network includes four output connections, a signal output measurement unit, a processing unit configured to identify the photodiode generating a signal or a center of mass of photodiodes generating a signal, and a global receiving unit.
Shah; Kanai S. (Newton, MA), Christian; James (Waltham, MA), Stapels; Christopher (Millis, MA), Dokhale; Purushottam (Waltham, MA), McClish; Mickel (Salem, MA)
Radiation Monitoring Devices, Inc. (Watertown, MA)
12/ 580,172
October 15, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under grant number DE-FG02-08ER84988 awarded by the Department of Energy and grant number 2R44NS060197-02 awarded by the Department of Health and Human Services. The government may have certain rights in this invention.