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 |