Patent · US Active

Exposure apparatus and device fabrication method

US9046790B2 · kind B2 · utility

1Cited by
67References
69Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 7, 2013
Grant dateJun 2, 2015
Priority date
Expiry dateMar 7, 2033

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 having a supply outlet that supplies a liquid and a collection inlet that collects a liquid, and a vibration isolating mechanism that supports the nozzle member and vibrationally isolates the nozzle member from a lower side step part of a main column.

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