Patent · US Expired

Probe for detecting gaseous polar molecules such as water vapor

US4025892A · kind A · utility

5Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 1975
Grant dateMay 24, 1977
Priority date
Expiry dateMay 13, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N27/121
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Probe for selectively detecting polar molecules in a gaseous atmosphere in contact with the probe, characterized by a layer of semiconductor material covered by a film of dielectric material.

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