Low impedance current path for edge non-uniformity tuning

Low impedance current path for edge non-uniformity tuning

Exemplary substrate support assemblies may include an electrostatic chuck body that defines a substrate support surface. The substrate support surface may define a plurality of protrusions that extend upward from the substrate support surface. A density of the plurality of protrusions within an oute...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Dhanakshirur, Akshay, Yu, Hang, Kulkarni, Mayur Govind, Mutyala, Madhu Santosh Kumar, Pemmasani, Saketh, Padhi, Deenesh
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:Exemplary substrate support assemblies may include an electrostatic chuck body that defines a substrate support surface. The substrate support surface may define a plurality of protrusions that extend upward from the substrate support surface. A density of the plurality of protrusions within an outer region of the substrate support surface may be greater than in an inner region of the substrate support surface. The substrate support assemblies may include a support stem coupled with the electrostatic chuck body. The substrate support assemblies may include an electrode embedded within the electrostatic chuck body.