US Patent 7174792 Multi-axis transducer

An improved multi-axis transducer includes a stack of ferroelectric layers and a plurality of common electrodes and addressing electrodes alternately disposed between the ferroelectric layers; each of the addressing electrodes including a number of sections electrically isolated from each other and forming a set with corresponding sections in other addressing electrodes; a common conductor is electrically connected to the common electrodes and a number of addressing conductors is, each one, electrically connected to a different set of the sections of the addressing electrodes.