发明名称 PARALLEL FIELD EXCITATION PIEZOELECTRIC VIBRATOR FOR OVERTONE
摘要 PURPOSE:To lower equivalent impedance by intensively exciting overtone vibrations of a desired order without increasing the depth size of electrodes and conversely weaken the electrical response for the vibrations of other orders.
申请公布号 JPS5376696(A) 申请公布日期 1978.07.07
申请号 JP19760152300 申请日期 1976.12.18
申请人 发明人
分类号 H03H9/02;H03H9/17;H03H9/19;H03H9/25;H03H9/56 主分类号 H03H9/02
代理机构 代理人
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