Patent ID: 11887811
Assignee: APPLIED MATERIALS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  C | IPC C  H

Claim 0:
1. A semiconductor substrate support comprising:
a pedestal having a shaft and a platen;
a cover plate, wherein:
the cover plate is coupled with the platen along a first surface of the cover plate;
the cover plate defines a recessed channel in a second surface of the cover plate opposite the first surface, wherein the recessed channel is annular;
the cover plate defines at least one lateral channel that is disposed at a depth within the cover plate that is between a bottom surface of the recessed channel and the first surface; and
the cover plate defines a plurality of apertures that fluidly couple the at least one lateral channel with discrete portions of the recessed channel; and

a puck coupled with the second surface of the cover plate, the puck incorporating an electrode, wherein the puck defines a plurality of apertures extending vertically through the puck to fluidly access the recessed channel defined in the cover plate.