| 发明名称 |
PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC DEVICE CONTAINING THE SAME |
| 摘要 |
A piezoelectric ceramic contains a major proportion of potassium sodium niobate and has a carbon content after firing of 55 to 1,240 ppm by mass. |
| 申请公布号 |
US2014339458(A1) |
申请公布日期 |
2014.11.20 |
| 申请号 |
US201313893930 |
申请日期 |
2013.05.14 |
| 申请人 |
TDK CORPORATION |
发明人 |
FURUKAWA Masahito;AZUMA Tomohisa;MASAI Taku;AIDA Yasuhiro |
| 分类号 |
H01L41/187 |
主分类号 |
H01L41/187 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A piezoelectric ceramic comprising a major proportion of potassium sodium niobate and having a carbon content after firing of 55 to 1,240 ppm by mass. |
| 地址 |
Tokyo JP |
