Surface acoustic wave filter on a lithium niobate substrate
US9391589B2 · kind B2 · utility
2Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2011 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Oct 6, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/6463
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A surface acoustic wave filter includes a θ-rotated Y-cut X-propagation lithium niobate substrate. The cut angle ranges from 20° to 40°. An interdigital transducer can be used for exciting a surface acoustic wave that is formed on the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.