GAS SUPPLY DELIVERY ARRANGEMENT INCLUDING A GAS SPLITTER FOR TUNABLE GAS FLOW CONTROL

A gas supply delivery arrangement of a plasma processing system for processing a substrate with gases introduced through at least first, second, and third gas injection zones comprises process gas supply inlets and tuning gas inlets. A mixing manifold comprises gas sticks in fluid communication with...

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Bibliographische Detailangaben
Hauptverfasser:	SHAREEF IQBAL, BISE RYAN, ZEMLOCK ANTHONY, KUGLAND NATHAN, TASKAR MARK
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 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 gas supply delivery arrangement of a plasma processing system for processing a substrate with gases introduced through at least first, second, and third gas injection zones comprises process gas supply inlets and tuning gas inlets. A mixing manifold comprises gas sticks in fluid communication with a process gas supply and tuning gas sticks in fluid communication with a tuning gas supply. A first gas outlet delivers gas to the first gas injection zone, a second gas outlet delivers gas to the second gas injection zone, and a third gas outlet delivers gas to the third gas injection zone. A gas splitter is in fluid communication with the mixing manifold, and includes a first valve arrangement which splits mixed gas exiting the mixing manifold into a first mixed gas supplied to the first gas outlet and a second mixed gas supplied to the second, and/or third gas outlets.