Resonator, elastic wave transmission element and fabrication method thereof
US8314666B2 · kind B2 · utility
2Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2010 |
| Grant date | Nov 20, 2012 |
| Priority date | — |
| Expiry date | Jan 19, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2009/0233
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A resonator, an elastic wave transmission element and a method for fabricating the transmission element are provided. The elastic wave transmission element has a first side and a second side. The elastic wave transmission element includes a plurality of structures sequentially arranged along a direction from the first side toward the second side. Each of the structures has a different defect which is different to each other. The impedance of the structures decreases gradually along the direction. As such, the elastic wave transmission element has an impedance match function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.