OBJECT TABLE, A STAGE APPARATUS AND A LITHOGRAPHIC APPARATUS

An object table configured to hold an object on a holding surface, the object table including: a main body; a plurality of burls extending from the main body, end surfaces of the burls defining the holding surface; an actuator assembly; and a further actuator assembly, wherein the actuator assembly...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: STEUR, Michael Marinus Anna, HERMANUSSEN, Sander Jeroen, VERMEULEN, Johannes Petrus Martinus Bernardus, JANSEN, Bas, BUTLER, Hans
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An object table configured to hold an object on a holding surface, the object table including: a main body; a plurality of burls extending from the main body, end surfaces of the burls defining the holding surface; an actuator assembly; and a further actuator assembly, wherein the actuator assembly is configured to deform the main body to generate a long stroke out-of-plane deformation of the holding surface based on shape information of the object that is to be held and the further actuator assembly is configured to generate a short stroke out-of-plane deformation of the holding surface.