Plasma processing apparatus and techniques

An apparatus may include a main chamber, a substrate holder, disposed in a lower region of the main chamber, and defining a substrate region, as well as an RF applicator, disposed adjacent an upper region of the main chamber, to generate an upper plasma within the upper region. The apparatus may fur...

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Bibliographische Detailangaben
Hauptverfasser:	Leavitt, Christopher J, Colom, Guillermo, Bhosle, Vikram M, Miller, Timothy J
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:	An apparatus may include a main chamber, a substrate holder, disposed in a lower region of the main chamber, and defining a substrate region, as well as an RF applicator, disposed adjacent an upper region of the main chamber, to generate an upper plasma within the upper region. The apparatus may further include a central chamber structure, disposed in a central portion of the main chamber, where the central chamber structure is disposed to shield at least a portion of the substrate position from the upper plasma. The apparatus may include a bias source, electrically coupled between the central chamber structure and the substrate holder, to generate a glow discharge plasma in the central portion of the main chamber, wherein the substrate region faces the glow discharge region.