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Relaxor ferroelectric single crystals for ultrasound transducers

  • US 5,998,910 A
  • Filed: 01/27/1998
  • Issued: 12/07/1999
  • Est. Priority Date: 01/28/1997
  • Status: Expired due to Term
First Claim
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1. A transducer comprising single crystals of a lead zinc niobate--lead titanate solid solution and exhibiting at least an 85% longitudinal coupling, wherein said single crystals of lead zinc niobate--lead titanate solid solution have a composition represented by the formulae:

  • 
    
    space="preserve" listing-type="equation">Pb(Zn.sub.1/e Nb.sub.2/3).sub.l-x Ti.sub.x O.sub.3where;

    x is within the following limits;

    0.02<

    x<

    0.05.

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