发明名称 APPARATUS AND METHOD FOR PROVIDING FLUID FOR IMMERSION LITHOGRAPHY
摘要 A liquid immersion lithography apparatus includes a projection system having a final optical element via which a substrate is exposed to an exposure beam through an immersion liquid located between the final optical element and the substrate, and a nozzle member. The nozzle member has a first opening on one side of the final optical element and from which the immersion liquid is supplied, a second opening on a second side of the final optical element and from which the immersion liquid is collected, and a liquid recovery portion that surrounds a path of the exposure beam and from which the immersion liquid is collected. During exposure, an upper surface of the substrate faces the liquid recovery portion, and the immersion liquid is supplied from the first opening while the immersion liquid supplied from the first opening is recovered from the second opening and the liquid recovery portion.
申请公布号 US2013301015(A1) 申请公布日期 2013.11.14
申请号 US201313944281 申请日期 2013.07.17
申请人 NIKON CORPORATION 发明人 POON ALEX KA TIM;KHO LEONARD WAI FUNG
分类号 G03F7/20;G02B21/00;G03B27/52;G03F 主分类号 G03F7/20
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