ASML Holding N.V.
Fluid handling structure, lithographic apparatus and device manufacturing method
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Abstract:
A fluid handling structure for a lithographic apparatus is disclosed, the fluid handling structure successively has, at a boundary from a space configured to contain immersion fluid to a region external to the fluid handling structure: an elongate opening or a plurality of openings arranged in a first line that, in use, are directed towards a substrate and/or a substrate table configured to support the substrate; a gas knife device having an elongate aperture in a second line; and an elongate opening or a plurality of openings adjacent the gas knife device.
Status:
Grant
Type:
Utility
Filling date:
15 Feb 2019
Issue date:
14 Apr 2020