Patent · US Expired

Electrode in a discharge produced plasma extreme ultraviolet source

US7049614B2 · kind B2 · utility

6Cited by
10References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 10, 2003
Grant dateMay 23, 2006
Priority date
Expiry dateNov 30, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/70033
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An electrode in an extreme ultraviolet (EUV) source of an EUV lithography tool. The extreme ultraviolet source may be operable to produce a plasma which emits extreme ultraviolet radiation.

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