MECHANISMS FOR FORMING IMAGE SENSOR DEVICE

摘要

Embodiments of mechanisms for forming an image sensor device are provided. The image sensor device includes a semiconductor substrate and one photodetector formed in the semiconductor substrate. The image sensor device also includes one gate stack formed over the semiconductor substrate. The gate stack includes multiple polysilicon layers.

主权项

1. An image sensor device, comprising:
a semiconductor substrate; at least one photodetector formed in the semiconductor substrate; and at least one gate stack formed over the semiconductor substrate, wherein the at least one gate stack comprises a plurality of polysilicon layers.