Photoacoustic sensor diffusion membrane attachment structure
US8701465B2 · kind B2 · utility
4Cited by
13References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 28, 2011 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | May 12, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/1704
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A photoacoustic detector includes a sensing region for receiving atmospheric samples of a gas. A permeable membrane overlays a gas input port of the sensing region. The membrane is mechanically clamped to the sensing region by a compression force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.