A print head for a piezoelectric ink jet printer includes a piezoelectric actuator in the form of a plate, which lies on one side of a metallic cavity plate. The actuator includes drive electrodes and side electrodes. The side electrodes are formed on a side face of the actuator and each connected with...http://www.google.com.au/patents/US6604817?utm_source=gb-gplus-sharePatent US6604817 - Print head for piezoelectric ink jet printer, piezoelectric actuator therefor, and process for producing piezoelectric actuator
