Poison resistant sensor
US6630062B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2000 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | Feb 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.