Small-sized piezoelectric resonator
US7138752B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2005 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Jun 20, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/21
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The piezoelectric resonator according to the invention includes a tuning fork shaped part with two parallel vibrating arms, connected to each other by a linking part, from which protrude a central arm located between both vibrating arms of the tuning fork shaped part, the vibrating arms carrying first electrodes to make them vibrate, these electrodes being connected to connection elements carried by the central arm, wherein a slot has been cut within the linking part opposite to the central arm and wherein second electrodes have been arranged along said slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.