Method of manufacturing a laminated piezoelectric transformer

Details Method of manufacturing a laminated piezoelectric transformer Method of manufacturing a laminated piezoelectric transformer

1998-10-28

2000-05-23

Hall, Carl E.

Metal working

Piezoelectric device making

310366, H01L 4100

Patent

active

060651962

ABSTRACT:
The piezoelectric layers of a laminated piezoelectric transformer include outermost ceramic layers having first openings defined therein for connection to inner electrodes. The inner electrodes comprise full-face electrodes, each of the inner electrodes having a second opening defined in a corner thereof and filled with an electrically conductive electrode and a third opening defined in another corner thereof and filled with an electrically conductive electrode surrounded by an electrode-free gap. The piezoelectric layers are stacked such that the inner electrodes are alternately electrically interconnected through the-second and third openings which are alternately superposed one on another. The electric generator comprises piezoelectric layers and web-shaped inner electrodes. Each of the web-shaped inner electrodes has a fourth opening defined in at least one end thereof and filled with an electrically conductive electrode.

REFERENCES:
K. Kumasaka, et al., "Piezoelectric Transformers Using Multilayer Piezoelectric Vibrators for Lower Voltage Driving," Tokin Technical Review, Nov. 22, 1995, pp. 67-74.

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