Surface acoustic wave resonator device and method of manufacturing the same, filter
US12101081B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2024 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | Jan 18, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/64
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A surface acoustic wave resonator device, its manufacturing method, and a filter are disclosed. The device includes a piezoelectric substrate, and an interdigital transducer on a side of the substrate, having an interdigital electrode region, and including a first interdigital electrode and a first interdigital electrode lead-out part connected to each other, and a second interdigital electrode and a second interdigital electrode lead-out part connected to each other. The first and second interdigital electrodes are located in the interdigital electrode region, extending along a first direction and alternately arranged in a second direction. The first and second interdigital electrode lead-out parts are located on opposite sides of the interdigital electrode region. A first conductive structure and a second conductive structure overlap with end portions of the interdigital electrodes and are electrically connected to the corresponding interdigital electrodes, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.