Surface acoustic wave device
US6911881B2 · kind B2 · utility
1Cited by
3References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2003 |
| Grant date | Jun 28, 2005 |
| Priority date | — |
| Expiry date | Sep 7, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/6459
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A surface acoustic wave device has first and second surface acoustic wave filter elements which are arranged on a surface acoustic wave substrate so as to define a filter device having a two-stage configuration. A free surface portion is provided by forming a perforation in an inter-stage connecting portion connecting the first and second surface acoustic wave filter elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.