Surface acoustic wave resonator device, manufacturing method therefore and filter
US12278613B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2024 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Oct 15, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/64
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A surface acoustic wave resonator device, manufacturing method therefor and filter, the surface acoustic wave resonator device includes: an interdigital transducer, located on a piezoelectric substrate and including first and second interdigital electrode lead-out parts, and first and second interdigital electrodes extending along a first direction and alternately arranged along a second direction, the first interdigital electrode is connected to the first interdigital electrode lead-out part, and the second interdigital electrode is connected to the second interdigital electrode lead-out part; and a clutter suppression structure, including a body structure and a sawtooth structure, wherein the body structure continuously extends along the second direction and overlaps with the interdigital electrodes in a third direction, and the sawtooth structure is disposed at a side of the body structure in the first direction, and at least a portion of the sawtooth structure overlaps with the interdigital electrodes in the third direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.