Moisture detection element, exhaled gas detector, exhalation test system, and manufacturing method of exhalation detection element
US11371950B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2020 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Oct 25, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/4972
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A moisture detection element includes: an insulating substrate of an insulating material; an application part which is formed on the insulating substrate and to which a voltage is applied; an output part which is formed on the insulating substrate and configured to output a voltage signal corresponding in response to a current flowing through an electric path via water molecules adhering to a surface of the insulating substrate under the voltage applied to the application part; and a conductive film which is electrically insulated from the application part and the output part and is provided on the insulating substrate. An insulating film of an insulating material is provided on the application part, the output part, and the conductive film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.