×

Lithographic apparatus and device manufacturing method

  • US 7,199,858 B2
  • Filed: 11/12/2003
  • Issued: 04/03/2007
  • Est. Priority Date: 11/12/2002
  • Status: Active Grant
First Claim
Patent Images

1. A lithographic projection apparatus comprising:

  • a support structure configured to hold a patterning device, the patterning device configured to pattern a beam of radiation according to a desired pattern;

    a projection system configured to project the patterned beam onto a target portion of a substrate;

    a substrate table configured to hold said substrate, said substrate table comprising;

    an edge seal member configured to at least partly surround an edge of said substrate, an object positioned on said substrate table, or both, anda vacuum port, or a liquid supply port, or both, positioned to provide respectively vacuum or liquid to the gap between said edge seal member and said substrate, said object, or both, on a side opposite said projection system; and

    a liquid supply system configured to provide a liquid, through which said beam is to be projected, in a space between said projection system and said substrate, said object, or both.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×