发明名称 |
Piezoelectric apparatus for activating square plate resonator |
摘要 |
An apparatus equipped with annular electrostriction elements each having four divided segmental electrodes with the respective polarities reversed alternately in the direction of thickness thereof. The annular electrostriction elements are so disposed that the center lines of division are positionally coincident with diagonal lines of a square plate resonator while passing through the surface center point thereof, whereby the corner portions of the resonator can be vibrated effectively at an ultrasonic frequency.
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申请公布号 |
US4620121(A) |
申请公布日期 |
1986.10.28 |
申请号 |
US19850804150 |
申请日期 |
1985.12.03 |
申请人 |
TAGA ELECTRIC COMPANY, LIMITED |
发明人 |
MISHIRO, SHOJI |
分类号 |
B23B1/00;B06B1/06;B06B3/00;B23Q1/34;B23Q5/027;B26D7/08;H01L41/09;(IPC1-7):H01L41/08 |
主分类号 |
B23B1/00 |
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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