Patent · US Active

Radiation source and lithographic apparatus

US9753383B2 · kind B2 · utility

1Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2013
Grant dateSep 5, 2017
Priority date
Expiry dateJun 13, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/206
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A radiation source comprising a fuel source configured to deliver fuel to a location from which the fuel emits EUV radiation. The radiation source further comprises an immobile fuel debris receiving surface provided with a plurality of grooves. The grooves have orientations which are arranged to direct the flow of liquid fuel under the influence of gravity in one or more desired directions.

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