Gas detector element
US4260978A · kind A · utility
12Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 1979 |
| Grant date | Apr 7, 1981 |
| Priority date | — |
| Expiry date | May 21, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gas detector element comprising a sintered material of a metal oxide, the electric resistivity of which varies depending on an oxidative atmosphere or a reductive atmosphere of the inflammable gas composition, said gas detector element being characterized in that the size of the composing particles of said sintered material is in the range from 0.5.mu. to 5.mu. in an equivalent circle diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.