Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 30, 2021
Patent Application Number
16818934
Date Filed
March 13, 2020
Patent Primary Examiner
Patent abstract
A photodetector includes: a substrate; a first semiconductor region, the first semiconductor region extending into the substrate from a front side of the substrate; and a second semiconductor region, the second semiconductor region further extending into the substrate from a bottom boundary of the first semiconductor region, wherein when the photodetector operates under a Geiger mode, the second semiconductor region is fully depleted to absorb a radiation source received from a back side of the substrate.
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