UV-blocking layer for reducing UV-induced charging of SONOS...

Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate

Reexamination Certificate

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C438S954000

Reexamination Certificate

active

07018896

ABSTRACT:
A method of protecting a SONOS flash memory cell from UV-induced charging, including fabricating a SONOS flash memory cell in a semiconductor device; and depositing over the SONOS flash memory cell at least one UV-protective layer, the UV-protective layer including a substantially UV-opaque material. In one embodiment, the device includes a substantially UV-opaque sub-layer of a contact cap layer or a substantially UV-opaque contact cap layer.

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