| 摘要 |
PROBLEM TO BE SOLVED: To provide an efficient piezoelectric inverter capable of suppressing a leak current and of outputting a high watt value of 15W or more that is a five-times or more output watt value. SOLUTION: A rigid body part is constituted in the middle of the piezoelectric transformer to completely eliminate occurrence of a vibrating mode in a twisting direction or a vibrating mode in a meandering direction that occurs in high-power driving, so that the high power piezoelectric transformer in which efficiency is improved and a temperature elevation is saturated at a low temperature, can be obtained. COPYRIGHT: (C)2005,JPO&NCIPI
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