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POSITION SENSITIVE SOLID-STATE PHOTOMULTIPLIERS, SYSTEMS AND METHODS

United States Patent Application

20150285921
A1
View the Complete Application 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. (Watertown, MA), Christian, James F. (Waltham, MA), Stapels, Christopher (Mills, MA), Dokhale, Purushottam (Waltham, MA), McClish, Mickel (Salem, MA)
Radiation Monitoring Devices, Inc. (Watertown MA)
14/ 536,956
November 10, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] 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.