Detection of volatile substances
US6012326A · kind A · utility
26Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1997 |
| Grant date | Jan 11, 2000 |
| Priority date | — |
| Expiry date | Jul 28, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S422/906
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for detecting the presence of volatile substances in a gaseous medium, including apparatus for producing within a sensor chamber a localised electric field the energy density of which is sufficient to excite the gaseous medium to a plasma condition, and apparatus for detecting changes in a parameter of the plasma due to the presence of the volatile substances in the gaseous medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.