Patent · US Active

Exposure apparatus and device fabrication method

US8111373B2 · kind B2 · utility

3Cited by
60References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 23, 2005
Grant dateFeb 7, 2012
Priority date
Expiry dateSep 25, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/2041
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An exposure apparatus is provided which can supply and collect a liquid in a prescribed state, and that can suppress degradation of a pattern image projected onto a substrate. The exposure apparatus is provided with a nozzle member (70) having a supply outlet (12) that supplies a liquid (LQ) and a collection inlet (22) that collects a liquid (LQ), and a vibration isolating mechanism (60) that supports the nozzle member (70) and vibrationally isolates the nozzle member (70) from a lower side step part (7) of a main column (1).

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