| 摘要 |
A piezoelectric porcelain composition containing a complex oxide having a perovskite structure mainly composed of Pb, Zr, and Ti; and the following component (a) and/or (b), or component (A) and/or (B): (a) Ag and/or an Ag compound, and Mo and/or an Mo compound (b) silver molybdate [Ag<SUB>2</SUB>MoO<SUB>4</SUB>] (A) Ag and/or an Ag compound, Mo and/or an Mo compound, and W and/or a W compound (B) silver molybdate-tungstate [Ag<SUB>2</SUB>Mo<SUB>(1-X)</SUB>W<SUB>X</SUB>O<SUB>4</SUB>](where X is a number from 0.3 to 0.7)
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