Porous fluid sensor
US11768145B2 · kind B2 · utility
0Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2020 |
| Grant date | Sep 26, 2023 |
| Priority date | — |
| Expiry date | Aug 26, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/3538
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An optical element includes a porous layer with a network of a plurality of interconnected voids. The porous layer is optically diffusive to at least one wavelength of light when the network of interconnected voids is substantially free of fluid. The porous layer of the optical element undergoes a detectable optical change upon fluid ingress into the network or egress from the network of interconnected voids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.