Method for manufacturing an electroacoustic transducer
US11661336B2 · kind B2 · utility
0Cited by
4References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2021 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Nov 25, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for manufacturing an electroacoustic transducer includes a frame; an element moveable with respect to the frame, the moveable element including a membrane and a structure for rigidifying the membrane; a first transmission arm, the moveable element being coupled to an end of the first transmission arm; wherein a shield is used to protect the rigidification structure during a step of etching a substrate, the etching of the substrate making it possible to delimit the first transmission arm and to lighten the moveable element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.