Acoustic microelectronic device
US10993039B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2017 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | May 18, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/003
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An acoustic microelectronic device includes a support, a set of at least one membrane suspended on a face of the support above a cavity by an anchoring zone, and at least one acoustic insulation trench arranged adjacent to the membrane. The device includes at least one bridge connecting the portions of two opposite edges of the trench and located overhanging at least one zone of the trench so as to form, in the zone of the trench, an acoustic insulation box below the bridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.