The snake-step linear actuator is constructed based on the integrated moving structure made by metal and the stack PZT, it can achieve the line-step moving of high accuracy and high reliability.

• 用金属材料制成的一体化可动结构和叠层式压电元件可组成蛇型步进式直线驱动器,能实现高精度、高可靠性的直线步进驱动。