Invention Grant
US08867017B2 Liquid recovery apparatus, exposure apparatus, exposure method, and device manufacturing method 有权
液体回收装置,曝光装置,曝光方法及装置制造方法

  • Patent Title: Liquid recovery apparatus, exposure apparatus, exposure method, and device manufacturing method
  • Patent Title (中): 液体回收装置,曝光装置,曝光方法及装置制造方法
  • Application No.: US13751469
    Application Date: 2013-01-28
  • Publication No.: US08867017B2
    Publication Date: 2014-10-21
  • Inventor: Hideaki HaraHiroaki TakaiwaDai Arai
  • Applicant: Nikon Corporation
  • Applicant Address: JP Tokyo
  • Assignee: Nikon Corporation
  • Current Assignee: Nikon Corporation
  • Current Assignee Address: JP Tokyo
  • Agency: Oliff PLC
  • Priority: JP2003-307771 20030829; JP2004-150353 20040520
  • Main IPC: G03F7/20
  • IPC: G03F7/20
Liquid recovery apparatus, exposure apparatus, exposure method, and device manufacturing method
Abstract:
A liquid immersion exposure apparatus that exposes a substrate via a projection optical system and liquid includes a movable member having an upper surface, a part of which holds the substrate. A liquid immersion system that has a supply port and a recovery port supplies the liquid to a space between the projection optical system and the upper surface via the supply port of a supply path and recovers the liquid of a liquid immersion region formed in the space via the recovery port of a recovery path. A flow path is connected to the supply path between the supply port and a source of the liquid, the flow path permitting flow therethrough to remove liquid that remains in the supply path, the liquid that remains in the supply path having been supplied from the source of the liquid without being discharged from the supply port.
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