Patent · US Active

Lithographic apparatus and device manufacturing method

US7633073B2 · kind B2 · utility

3Cited by
18References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 23, 2005
Grant dateDec 15, 2009
Priority date
Expiry dateOct 20, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/707
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In an immersion lithographic apparatus, bubble formation in immersion liquid is reduced or prevented by reducing a gap size or area on a substrate table and/or covering the gap.

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