Sample analysis methodology utilizing electromagnetic radiation

US7385697B2 · kind B2 · utility

Assignee

• J.A. WOOLLAM CO., INC. · US

Inventors

• John A. Woollam · Lincoln, US
• Corey L. Bungay · Lincoln, US
• Thomas E. Tiwald · Lincoln, US
• Martin M. Liphardt · Lincoln, US
• Ronald A. Synowicki · Lincoln, US
• Gregory K. Pribil · Lincoln, US
• Craig M. Herzinger · Lincoln, US
• Blaine D. Johs · Lincoln, US
• James N. Hilfiker · Lincoln, US

Key dates

• Filing date: May 20, 2004
• Grant date: Jun 10, 2008
• Expiry date: Dec 18, 2025

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N2021/213
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Simultaneous use of wavelengths in at least two ranges selected from RADIO, MICRO, FIR, IR, NIR-VIS-NUV, UV, DUV, VUV EUV, XRAY in a regression procedure to evaluate parameters in mathematical dispersion structures to model dielectric functions.