Opto-electronic gas sensor
US5191784A · kind A · utility
9Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1989 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Dec 28, 2009 |
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.