Patent ID: 11955362
Assignee: APPLIED MATERIALS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. A process chamber, comprising:
a chamber body having sidewalls and a bottom; and
a substrate support disposed within the chamber body, the substrate support comprising:
a support body having a first surface, wherein the first surface comprises quartz, ceramic, metal or combinations thereof;
one or more receptacles extending through the first surface and into the support body; and
one or more threaded thermoplastic protrusions respectively disposed within corresponding ones of the one or more receptacles and projecting from the first surface, wherein the one or more threaded thermoplastic protrusions comprise at least two vent holes, in a planarized top surface of the one or more threaded thermoplastic protrusions, and a nub protruding above the planarized top surface with an uppermost point that at least partially defines a substantially planar support surface above the first surface.