Patent · US Expired

Lithographic apparatus and device manufacturing method

US7372541B2 · kind B2 · utility

67Cited by
28References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 2005
Grant dateMay 13, 2008
Priority date
Expiry dateMar 12, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/70341
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In a lithographic projection apparatus, a structure surrounds a space between the projection system and a substrate table of the lithographic projection apparatus. Gas is used between the structure and the surface of the substrate to contain liquid in the space.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.