专利汇可以提供Manufacture of longitudinal vibration transducer专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain a longitudinal vibration transducer having uniform and stable characteristic by manufacturing lots of longitudinal vibration transducers from a ceramic raw board at the same time in the same process so as to reduce variation of the characteristic of each longitudinal vibration transducer. CONSTITUTION:Electrode films 2, 3 are formed on upper and lower sides of a piezoelectric ceramic board 1 having a size from which plural piezoelectric boards for longitudinal vibration transducer are formed. A high voltage is impressed to the piezoelectric ceramic raw board 1 formed with the electrode films 2, 3 so as to apply polarization in the broadwise direction. A constant elastic metallic plate 4 is bonded to an opposite position clipping the piezoelectric ceramic raw board in the same shape on both the upper and lower faces of the piezoelectric ceramic raw board 1 applied with polarization. The electrode films 2, 3 of the piezoelectric ceramic raw board 1 are cut off and removed at a desired position in response to the electric characteristic of the transducer to be manufactured. The piezoelectric ceramic 1 is cut off and separated into the size of each longitudinal vibrating transducer so as to form the paper-tablet form longitudinal vibration transducer.,下面是Manufacture of longitudinal vibration transducer专利的具体信息内容。
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