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Fabrication of Surface Acoustic Wave Devices on Lithium Niobate
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June 18, 2020
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Summary
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Two fabrication techniques, lift-off and wet etching, are described in producing interdigital electrode transducers upon a piezoelectric substrate, lithium niobate, widely used to generate surface acoustic waves now finding broad utility in micro to nanoscale fluidics. The as-produced electrodes are shown to efficiently induce megahertz order Rayleigh surface acoustic waves.
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Mei, J., Zhang, N., Friend, J. Fabrication of Surface Acoustic Wave Devices on Lithium Niobate. J. Vis. Exp. (160), e61013, doi:10.3791/61013 (2020).
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