Capacitive sensor for detecting the presence of a substance
US8963563B2 · kind B2 · utility
2Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2010 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Jan 15, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R27/2605
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A capacitive sensor for detecting the presence of a substance includes a plurality of upstanding conductive pillars arranged within a first layer of the sensor, a first electrode connected to a first group of the pillars, a second electrode connected to a second, different group of the pillars, and a dielectric material arranged adjacent the pillars, for altering the capacitance of the sensor in response to the presence of said substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.