The Signatone QuadPro Process Development Resistivity System is available in both manual and automatic 8" and 12" systems. The manual system includes a ball bearing stage and can be upgraded at a later time to add auto-stepping capability. The automatic systems are motorized and can automatically step through 9, 25, 49, or 121 test points on wafers of size 100 mm, 125 mm, 150 mm, 200 mm, or 300mm.