Patent · US Active

Lithographic apparatus and device manufacturing method involving a member and a fluid opening

US9152058B2 · kind B2 · utility

0Cited by
81References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 2011
Grant dateOct 6, 2015
Priority date
Expiry dateNov 12, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/70883
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An exposure apparatus including a movable table, a member, movably separate from the table and located on a top surface of the table, to provide a surface substantially co-planar with a top surface of an object in or on the table, a projection system configured to project a radiation beam onto a radiation-sensitive target portion of a substrate, and a liquid supply system configured to provide a liquid to a space between the projection system and the object.

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