Image sensor with extension pad and method for forming the same

Image sensor with extension pad and method for forming the same

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: CHANG, YINIEH, TING, SHYH-FANN, LIU, JENNG, CHIANG, YEN-TING
Format: Patent
Sprache:chi ; 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.