Patent ID: 7309949
Filing Date: 2007-12-18
Classification: C04B,H01L

Abstract:
1. A piezoelectric/electrostrictive porcelain composition comprising: a piezoelectric/electrostrictive component containing mainly a Pb(Mg 0.5 to 5% by mass of a glass component mainly composed of a ZnO—PbO—B wherein the Pb(Mg wherein 0.90≦x≦1.10, and a, b, c denote decimals in a range surrounded with (a, b, c)=(0.550, 0.425, 0.025), (0.550, 0.325, 0.125), (0.375, 0.325, 0.300), (0.100, 0.425, 0.475), (0.100, 0.475, 0.425), (0.375, 0.425, 0.200) in a coordinate including the above a, b, c as coordinates axes (additionally, a+b+c=1.000).