| 摘要 |
<p>There is provided a piezoelectric/electrostrictive film type device comprising: a substrate (1) formed of a ceramic, at least one piezoelectric/electrostrictive portion (2) formed of a piezoelectric/electrostrictive porcelain composition on the substrate, and at least one pair of electrodes (4,5) on the substrate, electrically connected to the piezoelectric/electrostrictive portion and including a positive electrode and a negative electrode. The piezoelectric/electrostrictive porcelain composition contains a PbMg 1/3 Nb 2/3 O 3 -PbZrO 3 -PbTiO 3 ternary solid solution system composition as a major component, and contains 0.05 to 3.0wt% of NiO, and contains 2.0 to 22.0 mol% of Si with respect to the total number of moles of Mg and Ni. The piezoelectric/electrostrictive portion is solidly attached onto the substrate directly or via the positive electrode or the negative electrode.</p> |
