Applied Materials, Inc.
Sensor system for multi-zone electrostatic chuck

Abstract:

A substrate support assembly comprises a plurality of zones, a chuck comprising a ceramic body, and an additional assembly bonded to a lower surface of the chuck. The additional assembly comprises a second body and a plurality of temperature sensors disposed in or on the second body, wherein each zone of the plurality of zones includes at least one of the plurality of temperature sensors. A plurality of spatially tunable heating elements are disposed a) in or on the ceramic body or b) in or on the second body.