GAS CLUSTER PROCESSING DEVICE AND GAS CLUSTER PROCESSING METHOD

There is provided a gas cluster processing device for performing a predetermined process on a workpiece by irradiating the workpiece with a gas cluster, including: a processing container in which the workpiece is disposed; a gas supply part configured to supply a gas for generating the gas cluster;...

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Bibliographische Detailangaben
Hauptverfasser: KANEHIRA, Keita, YOSHINO, Yu, DOBASHI, Kazuya, SAITO, Yukimasa, KOIKE, Kunihiko, IZUMI, Koichi, ORII, Takehiko, SENOO, Takehiko, SHOJO, Tadashi
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:There is provided a gas cluster processing device for performing a predetermined process on a workpiece by irradiating the workpiece with a gas cluster, including: a processing container in which the workpiece is disposed; a gas supply part configured to supply a gas for generating the gas cluster; a flow rate controller configured to control a flow rate of the gas supplied from the gas supply part; a cluster nozzle configured to receive the gas for generating the gas cluster at a predetermined supply pressure, spray the gas into the processing container maintained in a vacuum state, and convert the gas into the gas cluster through an adiabatic expansion; and a pressure control part provided in a pipe between the flow rate controller and the cluster nozzle and including a back pressure controller configured to control a supply pressure of the gas for generating the gas cluster.