Acoustic wave filter, communication module, and method for manufacturing the filter
US9054674B2 · kind B2 · utility
25Cited by
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12Claims
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Key dates
| Filing date | Mar 20, 2012 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | Sep 7, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49155
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An acoustic wave filter includes: a substrate; resonators that are arranged on the substrate and excite acoustic waves; a ground terminal on the substrate; interconnection lines interconnecting the resonators and connecting predetermined ones of the resonators to the ground terminal; and a shield electrode disposed so as to be close to and face the interconnection lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.