Sensor for a gas detector, in particular for smoke detection
US4016524A · kind A · utility
11Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1975 |
| Grant date | Apr 5, 1977 |
| Priority date | — |
| Expiry date | May 14, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/128
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Sensor for selectively detecting at least one constituent of a gaseous mixture in contact with the sensor. The sensor comprises a thin layer of a semiconductor material covered with a dielectric film formed with a large number of microscopic openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.