EDGE RING ARRANGEMENT WITH MOVEABLE EDGE RINGS

An edge ring arrangement for a processing chamber includes a first ring configured to surround and overlap a radially outer edge of an upper plate of a pedestal arranged in the processing chamber, a second ring arranged below the first moveable ring, wherein a portion of the first ring overlaps the...

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Bibliographic Details
Main Authors CASAES, Raphael, YAN, Haoquan, MCCHESNEY, Jon, PATERSON, Alex, O'NEILL, Robert Griffith
Format Patent
LanguageEnglish
Published 24.10.2024
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:An edge ring arrangement for a processing chamber includes a first ring configured to surround and overlap a radially outer edge of an upper plate of a pedestal arranged in the processing chamber, a second ring arranged below the first moveable ring, wherein a portion of the first ring overlaps the second ring, a first actuator configured to actuate a first pillar to selectively move the first ring to a raised position and a lowered position relative to the pedestal, and a second actuator configured to actuate a second pillar to selectively move the second ring to a raised position and a lowered position relative to the pedestal.
Bibliography:Application Number: US202418758576