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New fabrication technique for single-phase unidirectional SAW filter (EMUDT) in UHF range

New fabrication technique for single-phase unidirectional SAW filter (EMUDT) in UHF range

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New fabrication techniques for single-phase unidirectional SAW filters (EMUDT) utilising the self-aligned angle-evaporation technique are described. The experimental results show a directivity of 10.0 dB/transducer at 483 MHz.

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