Rotary voice coil motors have the core advantages of high precision, fast response, and low noise. In chip and device testing equipment, rotary voice coil motors are used to drive test probes or test fixtures for rotational positioning, achieving comprehensive and precise contact testing of chip pins and circuit nodes. Their fine angle control capability can adapt to the testing requirements of chips with different package specifications, allowing rapid adjustment of probe angles to ensure no deviation at test points. At the same time, their low-noise, low-vibration operation characteristics help prevent testing errors caused by vibration interference during the testing process, ensuring the accuracy and reliability of test data. They are suitable for the high-efficiency demands of mass testing of semiconductor devices, helping to improve productivity and precision in the testing process.