Patent · US Active

Lithographic apparatus and device manufacturing method

US8339574B2 · kind B2 · utility

2Cited by
7References
7Claims
0Family size

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Key dates

Filing dateAug 15, 2008
Grant dateDec 25, 2012
Priority date
Expiry dateJan 19, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/70566
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A lithographic apparatus includes a support structure configured to hold a patterning device, the patterning device configured to pattern a beam of radiation according to a desired pattern, a substrate table configured to hold a substrate and a projection system configured to project the beam as patterned onto a target portion of the substrate. The lithographic apparatus further includes a polarization modifier disposed in a path of the beam. The polarization modifier comprises a material having a linear polarization.

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