Patent · US Expired

Poison resistant sensor

US6630062B1 · kind B1 · utility

9Cited by
18References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 2000
Grant dateOct 7, 2003
Priority date
Expiry dateFeb 15, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N27/4077
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The poison resistant sensor comprises a sensing electrode (4) having a first and second side; a reference electrode (7) having a first and second side; an electrolyte (1) disposed between and in intimate contact with the first side of the sensing electrode and the first side of the reference electrode; a first side of a protective layer (3) disposed adjacent to the second side of the sensing electrode; and a protective coating (17), comprising alpha alumina and gamma alumina, disposed in physical contact with the second side of the protective layer.

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