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Piezoelectric Resonator Operating In Thickness Shear Mode

  • US 20110121683A1
  • Filed: 07/28/2009
  • Published: 05/26/2011
  • Est. Priority Date: 08/01/2008
  • Status: Active Grant
First Claim
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1. Acoustic wave resonator device comprising a resonant layer that comprises a series of side-by-side areas of first and second dielectric materials, of which one or both materials are piezoelectric, wherein either:

  • (a) the first dielectric material is a piezoelectric and the second dielectric material is a non-piezoelectric;

    or(b) the first and second dielectric materials are piezoelectrics of different piezoelectric properties.

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