Light shield for CMOS imager

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

Reexamination Certificate

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Details

C257SE27132, C257S072000

Reexamination Certificate

active

07633106

ABSTRACT:
The present invention provides a light shield for shielding the floating diffusion of a complementary metal-oxide semiconductor (CMOS) imager. In accordance with an embodiment of the present invention, there is provided a pixel sensor cell including: a device region formed on a substrate; and a first layer of material forming a sidewall adjacent to a side of the device region for blocking electromagnetic radiation from the device region.

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