| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric transformer device which allows for further thinning.SOLUTION: A piezoelectric transformer device 1 includes a piezoelectric transformer element 2 having first and second element electrodes 6, 7 provided on the first and second side faces 5c, 5d of the piezoelectric transformer body 5, and first and second flexible electrodes materials 3, 4 arranged on the side of the first and second side faces 5c, 5d of the piezoelectric transformer body 5, and connected electrically and mechanically with the first and second element electrodes 6, 7, respectively. The first and second flexible electrodes materials 3, 4 have flat and sheet-like flat plates 3a, 4a at a first part, folded parts 3b, 4b, and second parts 3c, 4c. |
