In order to electrically verify the wafers of individual chips, wafer probers are necessary. Therefore, the Prober handles the wafer loading and handling totally automatically while providing the highest level of positioning precision. Wafer probers, test units, and probe cards make up a complete test cell. With their superior and high throughput, our flagship wafer probers for wafers up to 200 mm or 300 mm in diameter offer maximum capacity and productivity in addition to operating with the finest precision possible.