Patent · US Active

Optical element and method

US8508854B2 · kind B2 · utility

6Cited by
22References
59Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 2010
Grant dateAug 13, 2013
Priority date
Expiry dateDec 13, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/70266
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The disclosure relates to an optical element configure to at least partial spatially resolve correction of a wavefront aberration of an optical system (e.g., a projection exposure apparatus for microlithography) to which optical radiation can be applied, as well as related systems and methods.

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