Processing apparatus and processing method, and gas cluster generating apparatus and gas cluster generating method
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United States of America Patent
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Sep 20, 2022
Grant Date -
Jan 18, 2018
app pub date -
Sep 26, 2017
filing date -
Mar 30, 2015
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Abstract
Disclosed is a processing apparatus for performing a processing on a workpiece using gas clusters. The processing apparatus includes: a processing container in which the workpiece is disposed, and an inside of which is maintained in a vacuum state; an exhaust mechanism that exhausts an atmosphere in the processing container; a gas supply unit that supplies a gas containing a cluster generating gas; a cluster nozzle provided in the processing container and configured to generate gas clusters by adiabatically expanding the cluster generating gas and inject a gas component containing the generated gas clusters into the processing container; and a plasma generating mechanism that generates plasma in the cluster nozzle portion. The gas clusters are ionized by the plasma generated in the cluster nozzle portion, and the ionized gas clusters are injected from the cluster nozzle and irradiated onto the workpiece, so that a predetermined processing is performed.
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