发明名称 Lithography system, method of clamping and wafer table
摘要 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 of 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.
申请公布号 US2009027649(A1) 申请公布日期 2009.01.29
申请号 US20080218080 申请日期 2008.07.11
申请人 发明人 DE BOER GUIDO;DANSBERG MICHEL PIETER;KRUIT PIETER
分类号 G03B27/60 主分类号 G03B27/60
代理机构 代理人
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