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ULTRASONIC TRANSDUCER FOR PARAMETRIC ARRAY

  • US 20100158286A1
  • Filed: 01/29/2010
  • Published: 06/24/2010
  • Est. Priority Date: 10/09/2001
  • Status: Active Grant
First Claim
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1. An ultrasonic transducer, comprising:

  • a vibrator surface operative to generate one or more ultrasonic compression waves;

    a protective cover disposed on one side of the vibrator surface to allow the ultrasonic compression waves to pass therethrough,wherein the protective cover and the vibrator surface are spaced apart a predetermined distance sufficient to minimize absorption and transmission losses due to the protective cover; and

    a spacer disposed between the vibrator surface and the protective cover,wherein the predetermined distance corresponds to a thickness of the spacer.

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