Patent · US Expired

Method and apparatus for generating X-ray or EUV radiation

US6711233B2 · kind B2 · utility

21Cited by
10References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 2001
Grant dateMar 23, 2004
Priority date
Expiry dateMay 12, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2235/082
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

In a method and an apparatus for generating X-ray or EUV radiation, an electron beam is brought to interact with a propagating target jet, typically in a vacuum chamber. The target jet is formed by urging a liquid substance under pressure through an outlet opening. Hard X-ray radiation may be generated by converting the electron-beam energy to Bremsstrahlung and characteristic line emission, essentially without heating the jet to a plasma-forming temperature. Soft X-ray or EUV radiation may be generated by the electron beam heating the jet to a plasma-forming temperature.

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