Patent ID: 11898601
Assignee: ASML NETHERLANDS B.V.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  G  H | IPC F  G  H

Claim 7:
8. A support table for a lithographic apparatus, the support table configured to support a substrate, wherein the support table comprises:
a base surface;
a plurality of burls protruding from the base surface, each of the plurality of burls having a respective distal end, the plurality of burls arranged such that, when the substrate is supported by the support table, the substrate is supported by the respective distal ends of the plurality of burls; and
one or more gas cushion members at at least one distal end of the plurality of the burls, each gas cushion member comprising a gas channel formed in one or more walls that at least partly define a recess of the gas cushion member, the gas supply channel configured to allow a flow of gas between the recess and a location outside of the recess.