发明授权
US07808161B2 Piezoelectric ceramic composition and piezoelectric device 有权
压电陶瓷组合物和压电装置

Piezoelectric ceramic composition and piezoelectric device
摘要:
There is provided a piezoelectric ceramic composition that contains Na, Bi, Ti and Co wherein the composition ratio of Na, Bi, Ti and Co in terms of oxides thereof is in the following composition range (1): aNa2O-bBi2O3-cTiO2-dCoO  (1) where a, b, c and d are mole fractions; 0.03≦a≦0.042; 0.330≦b≦0.370; 0.580≦c≦0.620; 0
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