Lithographic apparatus and a device manufacturing method

A lithographic apparatus having: a substrate table constructed to hold a substrate; a projection system configured to project a patterned radiation beam onto a target portion of the substrate; a substrate surface actuator including a fluid opening for fluid flow therethrough from/onto a facing surfa...

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Main Authors Van Boxtel, Frank Johannes Jacobus, Cox, Henrikus Herman Marie, Van Der Ham, Ronald, Polet, Theodorus Wilhelmus, Simons, Wilhelmus Franciscus Johannes, Corcoran, Gregory Martin Mason, Van De Winkel, Jimmy Matheus Wilhelmus
Format Patent
LanguageEnglish
Published 05.03.2019
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Summary:A lithographic apparatus having: a substrate table constructed to hold a substrate; a projection system configured to project a patterned radiation beam onto a target portion of the substrate; a substrate surface actuator including a fluid opening for fluid flow therethrough from/onto a facing surface facing the substrate surface actuator to generate a force between the substrate surface actuator and the facing surface, the facing surface being a top surface of the substrate or a surface substantially co-planar with the substrate; and a position controller to control the position and/or orientation of a part of the facing surface by varying fluid flow through the fluid opening to displace the part of the facing surface relative to the projection system.
Bibliography:Application Number: US201615054010