发明名称 LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD
摘要 A method and apparatus for cleaning the inside of an immersion lithographic apparatus is disclosed. In particular, a liquid supply system of the lithographic apparatus may be used to introduce a cleaning fluid into a space between the projection system and the substrate table of the lithographic apparatus. Additionally or alternatively, a cleaning device may be provided on the substrate table and an ultrasonic emitter may be provided to create an ultrasonic cleaning liquid.
申请公布号 US2015116675(A1) 申请公布日期 2015.04.30
申请号 US201414584826 申请日期 2014.12.29
申请人 ASML NETHERLANDS B.V. 发明人 JANSEN Hans;BASELMANS Johannes Jacobus Matheus;DONDERS Sjoerd Nicolaas Lambertus;HOOGENDAM Christiaan Alexander;MERTENS Jeroen Johannes Sophia Maria;MULKENS Johannes Catharinus Hubertus;STAVENGA Marco Koert;STREEFKERK Bob;VAN DER HOEVEN Jan Cornelis;GROUWSTRA Cedric Desire
分类号 G03F7/20 主分类号 G03F7/20
代理机构 代理人
主权项 1. A lithographic apparatus, comprising: a substrate table configured to hold a substrate; a projection system configured to project a patterned beam of radiation onto the substrate, the projection system comprising a final optical element adjacent the substrate; a liquid supply system configured to provide a liquid to a space between the projection system and the substrate table; and a cleaning device configured to clean the final optical element, the substrate table, or both.
地址 Veldhoven NL