BOTTOM AND MIDDLE EDGE RINGS

BOTTOM AND MIDDLE EDGE RINGS

A middle ring configured to be arranged on a bottom ring and to support a moveable edge ring and further configured to be raised and lowered relative to a substrate support includes an upper surface that is stepped, an annular inner diameter, an annular outer diameter, a lower surface, a guide featu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MCCHESNEY, Jon, TOKAIRIN, Shawn, RATHNASINGHE, Hiran Rajitha
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A middle ring configured to be arranged on a bottom ring and to support a moveable edge ring and further configured to be raised and lowered relative to a substrate support includes an upper surface that is stepped, an annular inner diameter, an annular outer diameter, a lower surface, a guide feature in the upper surface defining the annular outer diameter, an inner annular rim in the upper surface defining the annular inner diameter, and a groove defined in the upper surface between the guide feature and the inner annular rim.