Patent · US Expired

Lithographic apparatus and device manufacturing method having liquid evaporation control

US7804575B2 · kind B2 · utility

16Cited by
27References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 2005
Grant dateSep 28, 2010
Priority date
Expiry dateAug 17, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/70875
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A lithographic apparatus is described having a liquid supply system configured to at least partly fill a space between a projection system of the lithographic apparatus and a substrate with liquid, a barrier member arranged to substantially contain the liquid within the space, and one or more elements to control and/or compensate for evaporation of liquid from the substrate.

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