Ammonia gas sensor based on squaric acid derivative, preparation method and application thereof
US9841411B2 · kind B2 · utility
2Cited by
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8Claims
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Key dates
| Filing date | Jan 13, 2017 |
| Grant date | Dec 12, 2017 |
| Priority date | — |
| Expiry date | Jan 13, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ammonia gas sensor based on a squaric acid derivative includes an interdigital electrode and a coating material. The coating material is a squaric acid derivative of formula I, and said coating material is coated on said interdigital electrode through a vacuum coating process, and a thickness of said coating material is 100-200 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.