Infrared sensor and infrared gas detector
US11187653B2 · kind B2 · utility
1Cited by
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20Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 26, 2019 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | Jun 26, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B17/103
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure discloses an infrared sensor, an infrared gas detector and an air quality detection device. The infrared sensor includes electrodes, a substrate, an isolation layer and a graphene film. The graphene film has a periodical nanostructure. The infrared sensor enhances the absorption of infrared light, and is capable of only absorbing specific infrared wavelengths, thus improving the selective performance of the infrared gas detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.