Method for detecting the presence of a gas with an opto-electronic gas sensor
US5317897A · kind A · utility
14Cited by
13References
3Claims
0Family size
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Key dates
| Filing date | Nov 30, 1992 |
| Grant date | Jun 7, 1994 |
| Priority date | — |
| Expiry date | Nov 30, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/22
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus for detecting the presence of a gas in an ambient atmosphere comprises a multiple quantum well structure; a thin mesh of a transition metal formed on the multiple quantum well structure; and an arrangement for monitoring transmission of electromagnetic radiation through the mesh and the multiple quantum well structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.