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US07705962B2 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
Abstract:
A liquid confinement structure configured to contain a liquid in a space between a projection system and a substrate has a recess in its lower surface which is open to both a relatively low pressure source and a relatively high pressure source and through which liquid and/or gas from between the liquid confinement structure and the substrate is extracted.
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