Cohu supplies semiconductor test and inspection automation systems (handlers), micro-electromechanical system test modules, test contactors and thermal subsystems, and semiconductor automated test equipment. Co.'s products include: Semiconductor Automated Test Equipment (ATE), which is used for wafer level and device package testing; semiconductor handlers, which are used in conjunction with semiconductor ATE to automate the testing of packaged semiconductor devices; interface products, which include test contactors, probe heads and probe pins; inspection and metrology, which provide improved vision capabilities; Data Analytics, which supports its equipment performance; and spares and kits.