Patent · US Expired

Combined spatial filter and relay systems in rotating compensator ellipsometer/polarimeter

US7245376B2 · kind B2 · utility

8Cited by
59References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 2005
Grant dateJul 17, 2007
Priority date
Expiry dateNov 22, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/213
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Low aberration relay systems modified to perform as spatial filters in rotating compensator ellipsometer, polarimeter and the like systems.

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