Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 7, 2010
Patent Application Number
12216065
Date Filed
June 27, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A backside illuminated image sensor includes a photodiode, formed below the top surface of a semiconductor substrate, for receiving light illuminated from the backside of the semiconductor substrate to generate photoelectric charges, a reflecting gate, formed on the photodiode over the front upper surface of the semiconductor substrate, for reflecting light illuminated from the backside of the substrate and receiving a bias to control a depletion region of the photodiode, and a transfer gate for transferring photoelectric charges from the photodiode to a sensing node of a pixel.
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