发明名称 |
PIEZO ELECTRIC ELEMENT |
摘要 |
1. A piezoelectric element comprising a piezoelectric crystal of point group 32 and the total molecular formula ABO4 , wherein said crystal is characterized by a frequency shift of the totally symmetric optical phonons mode of the lowest frequency by no more than 15 percent within the temperature range of 20-500 degrees C. |
申请公布号 |
DE3270962(D1) |
申请公布日期 |
1986.06.12 |
申请号 |
DE19823270962 |
申请日期 |
1982.06.06 |
申请人 |
LIST, HANS |
发明人 |
ENGEL, GUNTER;KREMPL, PETER |
分类号 |
H01L41/18;(IPC1-7):H01L41/18 |
主分类号 |
H01L41/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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