Image Sensor with Extension Pad

Image Sensor with Extension Pad

The present disclosure describes an image sensor and a method for forming the image sensor. The image sensor includes an image sensing element disposed on a substrate, an extension pad disposed adjacent to the image sensing element, and a polysilicon pillar disposed on the extension pad. The image s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Liu, Jen-Cheng, Chang, Y.C, Ting, Shyh-Fann, Chiang, Yen-Ting
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:The present disclosure describes an image sensor and a method for forming the image sensor. The image sensor includes an image sensing element disposed on a substrate, an extension pad disposed adjacent to the image sensing element, and a polysilicon pillar disposed on the extension pad. The image sensor further includes an insulating layer disposed over the image sensing element, the extension pad, and the polysilicon pillar.