Patent ID: 11942351
Assignee: LAM RESEARCH CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A top plate of an electrostatic chuck for a substrate processing system, the top plate bonded to a baseplate of the electrostatic chuck, the top plate comprising:
a body of the top plate having a plurality of distinct coolant gas groove sets, wherein each of the plurality of distinct coolant gas groove sets has one or more coolant gas supply holes; and
a monopolar clamping electrode disposed in the body, wherein the monopolar clamping electrode comprises a groove opening pattern, wherein the groove opening pattern includes a plurality of separate coolant gas groove opening sets, and
wherein each of the plurality of distinct coolant gas groove sets is disposed above a respective one of the plurality of separate coolant gas groove opening sets.