Multilayered piezoelectric transformer

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Abstract
Since a green sheet of PZT ceramics is nowdays tapecast on a polymer film with comparative facility by using the so-called doctor-blade method, a capacitor and an actuator are produced for trial, having appropriate internal electrodes within, and their beneficial effects are stated with great emphasis. The effects of internal electrodes should be ascertained, as a rule, first, by investigating the functional characters of the device and, then, by analysing the computer simulation. Each sheet of a multilayer piezoelectric transformer fabricated as the subject of this paper has patterns of internal electrodes contrived in order to avoid delamination, and, in addition, the functional characters due to internal electrodes are made clear in this paper. From a practical standpoint, output voltage and current are, especially, expected and examined.

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