Patent ID: 11881375
Assignee: APPLIED MATERIALS, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A lift apparatus for use in a substrate processing chamber, comprising:
a plurality of first lift pin assemblies configured to raise or lower a substrate having a given diameter when disposed thereon, wherein each of the first lift pin assemblies includes a first lift pin disposed on a first bellows assembly;
a plurality of second lift pin assemblies arranged in a circle having a diameter greater than the given diameter and configured to raise or lower an annular chamber component, wherein each of the second lift pin assemblies includes a second lift pin disposed on a second bellows assembly;
an actuator; and
a lift assembly coupled to the actuator and configured to raise or lower each of the first lift pin assemblies and the second lift pin assemblies by movement of the actuator.