SYSTEMS AND METHODS FOR SUBSTRATE SUPPORT TEMPERATURE CONTROL

Exemplary temperature modulation methods may include delivering a gas through a purge line extending within a substrate support. The gas may be directed to a backside surface of the substrate support opposite a substrate support surface. The purge line may extend along a central axis of a shaft, the...

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Bibliographische Detailangaben
Hauptverfasser:	Huang, Zubin, Li, Jian, Cheng, Rui
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS 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 ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY 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:	Exemplary temperature modulation methods may include delivering a gas through a purge line extending within a substrate support. The gas may be directed to a backside surface of the substrate support opposite a substrate support surface. The purge line may extend along a central axis of a shaft, the shaft being hermetically sealed with the substrate support. The substrate support may be characterized by a center and a circumferential edge. A first end of the purge line may be fixed at a first distance from the backside surface of the substrate support. The methods may include flowing the gas at a first flow rate via a flow pathway to remove heat from the substrate support to achieve a desired substrate support temperature profile.