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ELASTIC WAVE DEVICE

  • US 20190260341A1
  • Filed: 05/01/2019
  • Published: 08/22/2019
  • Est. Priority Date: 12/05/2012
  • Status: Active Grant
First Claim
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1. An elastic wave device comprising:

  • a piezoelectric substrate;

    a functional element unit that is provided on one principal surface of the piezoelectric substrate;

    an electrode unit that is electrically connected to the functional element unit and extends to an end side of the piezoelectric substrate;

    a support layer that is provided on the one principal surface of the piezoelectric substrate and encloses the functional element unit; and

    a cover that is supported by the support layer and covers the functional element unit;

    whereinthe support layer is separate from the end side of the piezoelectric substrate and encloses the functional element unit; and

    the device further comprises a retaining member made of resin that is separate from the support layer on the piezoelectric substrate and extends to the end side of the piezoelectric substrate.

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