ATMOSPHERIC PLASMA APPARATUS FOR SEMICONDUCTOR PROCESSING
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United States of America Patent
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Issued Date -
Dec 31, 2015
app pub date -
Jun 30, 2014
filing date -
Jun 30, 2014
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Abandoned
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Abstract
Method and apparatus for treating a substrate prior to deposition using atmospheric plasma are disclosed. A substrate can be provided between a substrate support and a plasma distributor, where the plasma distributor includes one or more atmospheric plasma sources. The atmospheric plasma sources can generate plasma under atmospheric pressure, where the plasma can include radicals and ions of a process gas, such as a reducing gas species. The substrate can be exposed to the plasma under atmospheric pressure to treat the surface of the substrate, where atmospheric pressure can be between about 50 Torr and about 760 Torr. In some embodiments, substrate includes a metal seed layer having portions converted to oxide of a metal, where exposure to the plasma reduces the oxide of the metal and reflows the metal in the metal seed layer.
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