Image sensor with controllable vertically integrated photodetectors

An image sensor includes front-side and backside photodetectors of a first conductivity type disposed in a substrate layer of the first conductivity type. A front-side pinning layer of a second conductivity type is connected to a first contact. The first contact receives a predetermined potential. A...

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Bibliographische Detailangaben
Hauptverfasser: MCCARTEN JOHN P, GUIDASH ROBERT MICHAEL
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An image sensor includes front-side and backside photodetectors of a first conductivity type disposed in a substrate layer of the first conductivity type. A front-side pinning layer of a second conductivity type is connected to a first contact. The first contact receives a predetermined potential. A backside pinning layer of the second conductivity type is connected to a second contact. The second contact receives an adjustable and programmable potential.