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

Claim 14:
15. A support table for a lithographic apparatus, the support table configured to support a substrate, wherein the support table comprises:
a base surface facing a surface of the substrate when the substrate is supported by the support table;
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 above the base surface and in a side of the respective burl, the gas channel configured to allow a flow of gas between an interior of the respective burl and a location outside of the respective burl.