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Shaped piezoelectric composite transducer

  • US 6,255,761 B1
  • Filed: 10/04/1999
  • Issued: 07/03/2001
  • Est. Priority Date: 10/04/1999
  • Status: Expired due to Fees
First Claim
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1. A piezoelectric composite transducer array, comprising:

  • a plurality of piezoelectric rods regularly spaced apart from one another, wherein a first surface region and a second surface region are defined at opposite ends of said plurality of piezoelectric rods and wherein a side region is defined about the periphery of said array between said first surface region and said second surface region;

    a viscoelastic material filling spaces between said first surface region and said second surface region;

    at least one electric conductor passing through said side region, extending into said viscoelastic material to a point at which said at least one conductor extends substantially parallel to said plurality of piezoelectric rods, and terminating at said first surface region; and

    at least one electrode positioned at said first surface region to be in contact with at least a portion of said plurality of piezoelectric rods and in electrical contact with said electric conductor.

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