DYNAMIC SHEATH CONTROL WITH EDGE RING LIFT

A pedestal assembly including a pedestal for supporting a substrate. A central shaft positions the pedestal at a height during operation. A ring is placed along a periphery of the pedestal. A ring adjuster subassembly includes an adjuster flange disposed around a middle section of the central shaft....

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Bibliographische Detailangaben
Hauptverfasser:	JANICKI, Michael., J, BLANK, Richard, M, HIESTER, Jacob, Lee, BAILEY, Curtis, W
Format:	Patent
Sprache:	eng ; fre ; ger
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 ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A pedestal assembly including a pedestal for supporting a substrate. A central shaft positions the pedestal at a height during operation. A ring is placed along a periphery of the pedestal. A ring adjuster subassembly includes an adjuster flange disposed around a middle section of the central shaft. The subassembly includes a sleeve connected to the adjuster flange and extending from the adjuster flange to an adjuster plate disposed under the pedestal. The subassembly includes ring adjuster pins connected to the adjuster plate and extending vertically from the adjuster plate. Each of the ring adjuster pins being positioned on the adjuster plate at locations adjacent to and outside of a pedestal diameter. The ring adjuster pins contacting an edge undersurface of the ring. The adjuster flange coupled to at least three adjuster actuators for defining an elevation and tilt of the ring relative to a top surface of the pedestal.