Mesa height modulation for thickness correction

Exemplary substrate support assemblies may include a chuck body defining a substrate support surface. The substrate support surface may define a plurality of protrusions that extend upward from the substrate support surface. The substrate support surface may define an annular groove and/or ridge. A...

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Hauptverfasser: PADHI, DEENESH, KULKARNI, MAYUR GOVIND, DHANAKSHIRUR, AKSHAY, MUTYALA, MADHU SANTOSH KUMAR, PEMMASANI, SAKETH, YU, HANG
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:Exemplary substrate support assemblies may include a chuck body defining a substrate support surface. The substrate support surface may define a plurality of protrusions that extend upward from the substrate support surface. The substrate support surface may define an annular groove and/or ridge. A subset of the plurality of protrusions may be disposed within the annular groove and/or ridge. The substrate support assemblies may include a support stem coupled with the chuck body.