Methods for forming a transistor

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

Reexamination Certificate

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C257SE21431

Reexamination Certificate

active

07833869

ABSTRACT:
Methods are provided for depositing materials in forming semiconductor devices on a substrate, such as metal oxide transistors. In one embodiment, the invention generally provides a method of processing a substrate including forming a gate dielectric on a substrate having a first conductivity, forming a gate electrode on the gate dielectric, forming a first pair of sidewall spacers along laterally opposite sidewalls of the gate electrode, etching a pair of source/drain region definitions on opposite sides of the electrode, depositing a silicon carbide material selectively in the source/drain region definitions, and implanting a dopant in the deposited silicon carbide material to form a source/drain region having a second conductivity.

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