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US07779781B2 Lithographic apparatus and device manufacturing method 失效
平版印刷设备和器件制造方法

Lithographic apparatus and device manufacturing method
摘要:
In an immersion lithography apparatus, the immersion liquid is supplied from a tank via a flow restrictor. The liquid held in the tank is maintained at a substantially constant height above the flow restrictor to ensure a constant flow of liquid.
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