Thermal sensing acoustic wave resonator and acoustic wave filter having thermal sensing acoustic wave resonator
US10727741B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Jun 27, 2017 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Mar 16, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/155
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An acoustic wave filter having thermal sensing acoustic wave resonator comprises a substrate, a plurality of series acoustic wave resonators formed on the substrate, at least one shunt acoustic wave resonator formed on the substrate and a thermal sensing acoustic wave resonator. The thermal sensing acoustic wave resonator is one of a series acoustic wave resonator and a shunt acoustic wave resonator. Thereby the thermal sensing acoustic wave resonator plays dual roles of thermal sensing and acoustic wave filtering.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.