Patent · US Active

System and method of controlling intensity of an electromagnetic beam

US7796260B1 · kind B1 · utility

2Cited by

11References

10Claims

0Family size

Assignee

J.A. WOOLLAM CO., INC. · US

Inventors

Blaine D. Johs · Lincoln, US
Christopher A. Goeden · Lincoln, US
Galen L. Pfeiffer · Lincoln, US

Key dates

Filing date	Apr 21, 2007
Grant date	Sep 14, 2010
Priority date	—
Expiry date	Jun 24, 2029

Classification

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

Abstract

A system and method of substantially achromatically controlling the intensity of a spectroscopic beam with application in spectrophotometers, reflectometers, ellipsometers, polarimeters or the like systems.

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