New family of bulk-acoustic-wave devices employing interdigital transducers

New family of bulk-acoustic-wave devices employing interdigital transducers

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An important new family of acoustic wave devices is described which has the simplicity, versatility and planar construction of s.a.w. devices, together with the attractive properties of bulk-wave devices, including high velocity, low attenuation, good temperature stability and insensitivity to surface contamination.


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