Surface acoustic wave resonator device and method for manufacturing the same, and filter
US12218646B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2023 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Dec 27, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/6483
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A surface acoustic wave resonator device and method for manufacturing the same, and filter, the surface acoustic wave resonator device includes an interdigital electrode body region, and including: a piezoelectric substrate; a first interdigital electrode, a first interdigital electrode connection part and a first interdigital electrode lead-out part electrically connected to each other; a second interdigital electrode, a second interdigital electrode connection part and a second interdigital electrode lead-out part electrically connected to each other; and a spanning structure; wherein the first and second interdigital electrode connection parts are respectively located on opposite sides of the interdigital electrode body region; the first interdigital electrode connection part contacts the first interdigital electrode and is electrically isolated from the second interdigital electrode through the spanning structure; the second interdigital electrode connection part contacts the second interdigital electrode and is electrically isolated from the first interdigital electrode through the spanning structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.