Patent ID: 6916979

Claim:
An electromechanical transducer element for converting mechanical stress into electrical signals, the electromechanical transducer element comprising: a transducer part having a unitary laminated structure; at least two transducer film elements disposed in the transducer part, each of the at least two transducer film elements having a first and a second surface; a signal electrode layer arranged between the at least two transducer film elements, the signal electrode layer comprising a metal layer arranged in direct contact with each of the first surfaces of the at least two transducer film elements; at least two ground electrode layers, each of the at least two ground electrode layers comprising a metal layer arranged in direct contact with each of the second surfaces of the at least two transducer elements; and wherein the at least two ground electrode layers extend from the transducer part as a connection part, the connection part enabling connecting the transducer part to a signal processing device.