Piezoelectric transducer

The present invention relates to a piezoelectric transducer having a length, a width and a thickness, in which the piezoelectric transducer comprises a stack of a plurality of layers extending in length and width directions, in which the stack of the plurality of layers comprises a stack of a plurality of layers of a plurality of first layers and a plurality of second layers, the first layers are arranged next to the second layers when viewed in the thickness direction, wherein each first layer comprises a piezoelectric material, each second layer comprises an electrode, the electrodes are configured to apply an electric field predominantly in a plane parallel to the second layers, the number of layers of one of the plurality of first layers and the plurality of second layers is at least two, and the number of layers of the other of the plurality of first layers and the plurality of second layers is at least three. 本发明涉及一种具有长度、宽度和厚度的压电换能器，其中所述压电换能器包括沿长度和宽度方向延伸的多个层的叠层，其中所述多个层的叠层包括多个第一层和多个第二层的多个层的叠层，在沿厚度方向观察时第一