发明名称 Lithographic apparatus and a device manufacturing method
摘要 A meniscus pinning device has a plurality of openings through which liquid and gas from the environment are extracted. The openings are of an intermediate size, having a maximum cross-sectional dimension (e.g., diameter) in the range of from about 75 μm to about 150 μm.
申请公布号 US8804094(B2) 申请公布日期 2014.08.12
申请号 US201113024364 申请日期 2011.02.10
申请人 ASML Netherlands B.V. 发明人 Riepen Michel;Kemper Nicolaas Rudolf
分类号 G03B27/52 主分类号 G03B27/52
代理机构 Pillsbury Winthrop Shaw Pittman LLP 代理人 Pillsbury Winthrop Shaw Pittman LLP
主权项 1. A lithographic apparatus comprising: a table configured to hold a substrate; a projection system configured to project an image onto the substrate while the table and the projection system are moved relative to each other; and a liquid confinement structure arranged to confine a liquid to a space between the projection system and the substrate and/or table, the liquid confinement structure having a meniscus pinning device arranged to pin a meniscus of the liquid, the meniscus pinning device comprising a plurality of openings arranged in use to be connected to an under-pressure, the openings having a maximum cross-sectional dimension in the range of from 75 μm to 150 μm.
地址 Veldhoven NL