PLASMA SHOWERHEAD WITH IMPROVED UNIFORMITY

Plasma showerheads with improved gas uniformity are disclosed. One or more embodiment of the disclosure provides a plasma showerhead with angled gas nozzles. Some embodiments of the disclosure have gas nozzles angled by a vertical offset angle and/or a directional offset angle. None of the gas chann...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Doering, Kenneth Brian, Shah, Kartik, Griffin, Kevin, Chen, Hanhong, Zhang, Hao, Wang, Chaowei
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Plasma showerheads with improved gas uniformity are disclosed. One or more embodiment of the disclosure provides a plasma showerhead with angled gas nozzles. Some embodiments of the disclosure have gas nozzles angled by a vertical offset angle and/or a directional offset angle. None of the gas channels and/or the gas nozzles intersect with the plasma regions of the showerhead.