Pedestal Geometry for Fast Gas Exchange

Apparatus and methods for providing backside pressure control and edge purge gas to a substrate in a processing chamber. A support region of a substrate support is defined by an outer band. The support region comprises one or more openings in the top surface of the substrate support. The outer band...

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Bibliographische Detailangaben
Hauptverfasser:	Baluja, Sanjeev, Ulavi, Tejas, Agarwal, Ashutosh
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Apparatus and methods for providing backside pressure control and edge purge gas to a substrate in a processing chamber. A support region of a substrate support is defined by an outer band. The support region comprises one or more openings in the top surface of the substrate support. The outer band comprises a plurality of spaced apart posts. Processing chambers, methods of processing a substrate and non-transitory computer-readable medium containing instructions to process a substrate are also disclosed.