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 a photodetector in the semiconductor substrate. The image sensor device also includes a dielectric layer over the semiconductor substrate, and the dielectric layer has a recess aligned with the photodetector. The image sensor device further includes a filter in the recess of the dielectric layer. In addition, the image sensor device includes a shielding layer between the dielectric layer and the semiconductor substrate and surrounding the filter.

主权项

1. An image sensor device, comprising:
a semiconductor substrate; a photodetector in the semiconductor substrate; a dielectric layer over the semiconductor substrate, wherein the dielectric layer has a recess aligned with the photodetector; a filter in the recess of the dielectric layer; and a shielding layer between the dielectric layer and the semiconductor substrate and surrounding the filter.