Patent ID: 11948828
Assignee: APPLIED MATERIALS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A processing chamber, comprising:
a top wall, sidewalls, and a bottom wall, defining an internal volume;
a pedestal plate disposed within the internal volume, the pedestal plate having a radius, a top surface, and a bottom surface;
a plurality of cut outs on a perimeter of the pedestal plate, wherein each cut out of the plurality of cut outs is between about 90 degrees and about 125 degrees along the perimeter away from each adjacent cut out of the plurality of cut outs on the perimeter of the pedestal plate;
flat edges disposed on opposite sides of the pedestal plate, wherein each one of the plurality of cut outs are disposed between the flat edges; and
recesses in the bottom surface below each of the flat edges.