Patent ID: 11887879
Assignee: APPLIED MATERIALS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  C | IPC C  H

Claim 0:
1. A carrier for supporting an edge ring, comprising:
a plate having a perimeter including a plurality of curved edges and a plurality of parallel edges;
a plurality of inserts disposed in the plate, each insert formed of a polymer material and configured to engage a supporting structure; and
a plurality of support structures coupled to the plurality of curved edges, each respective support structure extending above a plane of an upper surface of the plate, and each respective support structure comprising:
a step formed on a radially outward edge of the respective support structure and disposed above and below the plane of the upper surface of the plate, the step of each respective support structure comprising:
a supporting surface disposed parallel to and below the upper surface of the plate, and
an arcuate wall positioned radially inward of the supporting surface of the respective support structure and oriented perpendicular to and extending above the plane of the upper surface of the plate, the arcuate wall of each respective support structure extending perpendicularly to the supporting surface of the respective support structure, and

a male extension positioned radially inward of the wall and extending into the plate.