Digital silicon photomultiplier for TOF-PET
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United States of America Patent
Stats
-
Jan 23, 2018
Issued Date -
N/A
app pub date -
Jan 19, 2016
filing date -
Apr 22, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A radiation detector includes an array of detector pixels each including an array of detector cells. Each detector cell includes a photodiode biased in a breakdown region and digital circuitry coupled with the photodiode and configured to output a first digital value in a quiescent state and a second digital value responsive to photon detection by the photodiode. Digital triggering circuitry is configured to output a trigger signal indicative of a start of an integration time period responsive to a selected number of one or more of the detector cells transitioning from the first digital value to the second digital value. Readout digital circuitry accumulates a count of a number of transitions of detector cells of the array of detector cells from the first digital state to the second digital state over the integration time period.
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Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- A61B Class
- 20.51 % this patent is cited more than
- 7 Age
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