摘要 |
<p>The invention concerns a piezoelectric transformer with at least two ceramic elements and a copper-bearing electrode located between the two ceramic elements. The invention recommends to choose the ceramic elements from a compound containing Pb(Zr<SUB>x</SUB>Ti<SUB>1-x</SUB>)O<SUB>3</SUB>+y Pb(Mn<SUB>1/3</SUB>Nb<SUB>2/3</SUB>)O<SUB>3</SUB>.</p> |