Patent · US Active

Method to analyze spectroscopic ellipsometry data of porous samples utilizing the anisotropic Bruggeman-effective medium theory

US9976902B1 · kind B1 · utility

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24Claims
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Key dates

Filing dateMay 22, 2017
Grant dateMay 22, 2018
Priority date
Expiry dateMay 22, 2037

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K15/225
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Methodology of characterizing pore size and distribution in a porous thin film having a surface, or in a surface region of a porous semi-infinite bulk substrate having a surface, involving applying a mathematical model of a sample based on a Bruggerman effective medium.

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