LITHOGRAPHY SYSTEM, METHOD OF CLAMPING AND WAFER TABLE

The invention relates to a lithography system, for example for projecting an image or an image pattern on to a target (1) such as a wafer, said target being included in said system by means of a target table (2), clamping means being present for clamping said target on said table. Said clamping mean...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DANSBERG MICHEL PIETER, KRUIT PIETER, DE BOER GUIDO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a lithography system, for example for projecting an image or an image pattern on to a target (1) such as a wafer, said target being included in said system by means of a target table (2), clamping means being present for clamping said target on said table. Said clamping means comprises a layer or stationary liquid (3), included at such thickness between target and target table that, provided the material of the liquid (C) and of the respective contacting faces (A, B) of the target (1) and target table (2), a pressure drop (PCap) arises.