Since 1992, PI Ceramic has been developing and manufacturing piezo ceramic materials and components for standard and OEM solu ... tions: Piezo components, ultrasonic transducers, actuators and system solutions. The PICMA® multilayer actuator technology, which received an award for its reliability, is one of many innovations of PI Ceramic. PI Ceramic, a subsidiary of Physik Instrumente (PI) GmbH & Co. KG, is located in the city of Lederhose, Thuringia, Germany. read more