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Synchronous one-pole surface acoustic wave resonator

  • US 8,960,004 B2
  • Filed: 03/29/2011
  • Issued: 02/24/2015
  • Est. Priority Date: 09/29/2010
  • Status: Active Grant
First Claim
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1. A surface acoustic wave resonator comprising:

  • a substrate that is a 128°

    YX LiNbO3 crystal;

    an input interdigital transducer mounted to said substrate, said input interdigital transducer having a plurality of electrode pairs;

    an output interdigital transducer spaced a distance L from said input interdigital transducer and mounted to said substrate, said output interdigital transducer having a plurality of electrode pairs;

    a first grating spaced the distance L from said input interdigital transducer and mounted to said substrate;

    a second grating spaced the distance L from said output interdigital transducer and mounted to said substrate; and

    wherein said distance L equals

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