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Transducer structure

  • US 5,367,500 A
  • Filed: 09/30/1992
  • Issued: 11/22/1994
  • Est. Priority Date: 09/30/1992
  • Status: Expired due to Fees
First Claim
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1. An electrical device consisting essentially of three layers of piezoelectric material and electrical means in association with said layers for conveying a signal from each of said layers wherein said layers are stacked on top of each other with two outer layers and one middle layer, said middle layer has twice the thickness of any one of said outer layers and al three layers have face surfaces that are defined by length and width dimensions of said layers.

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