Title :
Piezoelectric transformer using inter-digital internal electrodes
Author :
Katsuno, Masafumi ; Fuda, Yoshiaki
Author_Institution :
2nd Res. Dept. R&D Center, Tokin Corp., Japan
Abstract :
A piezoelectric transformer with longitudinal vibration mode in both input and output part using inter-digital internal electrodes is proposed, Equivalent circuit analysis was carried out to obtain typical electric characteristics at first. Then in experiment, output power 20 W, power density 12 W/cc and efficiency 91% were obtained
Keywords :
electrodes; equivalent circuits; interdigital transducers; piezoelectric transducers; 20 W; 91 percent; electrical characteristics; equivalent circuit; interdigital internal electrodes; longitudinal vibration mode; piezoelectric transformer; Capacitance; Circuit analysis; Electric variables; Electrodes; Equivalent circuits; Frequency; Impedance; Nonhomogeneous media; Power generation; Vibrations;
Conference_Titel :
Ultrasonics Symposium, 1998. Proceedings., 1998 IEEE
Conference_Location :
Sendai
Print_ISBN :
0-7803-4095-7
DOI :
10.1109/ULTSYM.1998.762288
