Patent · US Expired

System and method for setting and compensating errors in AOI and POI of a beam of EM radiation

US7136172B1 · kind B1 · utility

7Cited by
14References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 2004
Grant dateNov 14, 2006
Priority date
Expiry dateJul 13, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N21/211
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

System and methodology for setting, and compensating detected errors between intended and realized Angle-of-Incidence (AOI) and Plane-Of-Incidence (POI) settings in ellipsometer and the like systems during analysis of sample characterizing data.

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