Automatic Test Equipment (ATE) is a critical system used by semiconductor manufacturers to verify the functionality and performance of integrated circuits (ICs) at scale. These sophisticated systems apply electrical signals to semiconductor devices, measure their responses, and compare results against predefined specifications to identify defects. ATE plays a vital role in production testing, enabling high-volume screening for faults in digital, analog, mixed-signal, RF, and memory chips. By automating the testing process, ATE ensures product quality, reduces testing time, and lowers manufacturing costs. Advanced ATE systems incorporate high-speed instrumentation, precise measurement tools, and specialized software to handle increasingly complex IC designs, supporting the industry’s demand for higher reliability and yield.