Patent · US Expired

Method and apparatus for elemental and isotope measurements and diagnostics-microwave induced plasma-cavity ring-down spectroscopy

US7054008B2 · kind B2 · utility

1Cited by
8References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 2003
Grant dateMay 30, 2006
Priority date
Expiry dateSep 14, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N21/73
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Provided is a novel system for conducting elemental measurements using cavity ring-down spectroscopy (CRDS). The present invention provides sensitivity thousands of times improved over conventional devices and does so with the advantages of low power, low plasma flow rate, and the ability being sustained with various gases.

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