Boundary acoustic wave device
US7486001B2 · kind B2 · utility
10Cited by
7References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 5, 2005 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Dec 14, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49798
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A boundary acoustic wave device using SH boundary acoustic waves includes a first medium layer, a second medium layer stacked on the first medium layer, and an electrode including an interdigital electrode and reflectors. A sound absorbing layer is provided on the surface of the first medium layer and/or the second medium layer opposite the interface therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.