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High Q and low TCF are elemental characteristics for SAW resonator, in order to realize high performance filters and duplexers for new LTE frequency bands. Authors have focused on the acoustic energy confinement in vicinity of substrate surface. A novel multi-layered structure substrate have realized incredibly high performances such as Q factor of 4000 and TCF of 8 ppm/°C compared with conventional...
High Q and low TCF are elemental characteristics for SAW resonator, in order to realize high performance filters and duplexers coping with new LTE frequency bands. Authors focus on the acoustic energy confinement in SAW propagation surface and electrical characteristics have been investigated theoretically and experimentally. A new multi-layered structure substrate have realized incredible high performances...
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