Transistor fabrication methods comprising selective wet-oxidation

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United States of America Patent

PATENT NO 6890867
APP PUB NO 20040166644A1
SERIAL NO

10375721

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A transistor gate is formed which comprises semiconductive material and conductive metal. Source/drain regions are formed proximate the transistor gate. In one implementation, the transistor gate and source/drain regions are exposed to a gas mixture comprising H2O, H2, a noble gas and N2 under conditions effective to oxidize outer surfaces of the source/drain regions. The N2 is present in the gas mixture at greater than 0% and less than or equal to 20.0% by volume. In one implementation, the transistor gate and source/drain regions are exposed to a gas mixture comprising H2O, H2, and an inert gas under conditions effective to oxidize outer surfaces of the source/drain regions. The conditions comprise a pressure of greater than room ambient pressure. Other aspects and implementations are contemplated.

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Patent Owner(s)

  • MICRON TECHNOLOGY, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Powell, Don Carl Boise, ID 46 233

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