IMAGE SENSOR AND IMAGE SENSING SYSTEM INCLUDING THE IMAGE SENSOR

IMAGE SENSOR AND IMAGE SENSING SYSTEM INCLUDING THE IMAGE SENSOR

An image sensor includes a semiconductor substrate having a first surface and a second surface opposing the first surface, a photodiode layer in the semiconductor substrate, a transfer gate on the photodiode layer, the transfer gate being on the first surface of the semiconductor substrate, a first...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE, Chan hee, LEE, Kyung Ho, JUNG, Seung Ki, JUNG, Tae Sub, BAEK, Seung Ki
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:An image sensor includes a semiconductor substrate having a first surface and a second surface opposing the first surface, a photodiode layer in the semiconductor substrate, a transfer gate on the photodiode layer, the transfer gate being on the first surface of the semiconductor substrate, a first trench recessed from the first surface of the semiconductor substrate at one side of the transfer gate, a first impurity injection region on at least a portion of a bottom surface of the first trench, the first impurity injection region not being on a sidewall of the first trench, and a lens on the second surface of the semiconductor substrate.