发明申请
US20090002652A1 Lithographic apparatus and device manufacturing method 有权
平版印刷设备和器件制造方法

Lithographic apparatus and device manufacturing method
摘要:
In a lithographic projection apparatus, a structure surrounds a space between the projection system and a substrate table of the lithographic projection apparatus. A gas seal is formed between said structure and the surface of said substrate to contain liquid in the space.
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