| 发明名称 | Piezoelectric composition and piezoelectric element | ||
| 摘要 | The present invention aims to provide a piezoelectric composition and a piezoelectric element containing the piezoelectric composition. In the piezoelectric composition, the main component contains a substance represented by the following formula with a perovskite structure, (Bi(0.5x+y+z)Na0.5x)m(Ti(x+0.5y)Mg0.5yAlkzCo(1−k)z)O3 0.15≦x≦0.7, 0.28≦y≦0.75, 0.02≦z≦0.30, 0.17≦k≦0.83, 0.75≦m≦1.0, and x+y+z=1. | ||
| 申请公布号 | US9437807(B2) | 申请公布日期 | 2016.09.06 |
| 申请号 | US201514674466 | 申请日期 | 2015.03.31 |
| 申请人 | TDK CORPORATION | 发明人 | Saya Yuko;Masai Taku;Furukawa Masahito;Haemori Masamitsu |
| 分类号 | H01L41/187;C04B35/475;H01L41/083;H01L41/08 | 主分类号 | H01L41/187 |
| 代理机构 | Oliff PLC | 代理人 | Oliff PLC |
| 主权项 | 1. A piezoelectric composition comprising a main component which contains a substance represented by the following formula with a perovskite structure, (Bi(0.5x+y+z)Na0.5x)m(Tix+0.5yMg0.5yAlkzCo(1−k)z)O3 wherein, 0.15≦x≦0.7, 0.28≦y≦0.75, 0.02≦z≦0.30, 0.17≦k≦0.83, 0.75≦m≦1.0, and x+y+z=1. | ||
| 地址 | Tokyo JP | ||