How To Test A Semiconductor? When you test a semiconductor, you use special tools to check how it works. Good testing helps you find problems and weak chips before they are sold. This keeps devices safe in places like hospitals and airplanes. High-quality semiconductor testing equipment gives you exact results, so you can trust your tests. Granite measuring platforms and granite equipment bases help your tests by giving a steady surface. This keeps your measurements correct and the same during every part of testing.