The Laurell WS-650-23 B spin coater is compact and packed with advanced features. This 650-series coater system will accommodate up to ø150mm wafers and 5" × 5" (127mm × 127mm) substrates, and features a maximum rotational speed of 12,000 RPM (based on a ø100mm silicon wafer). It has a standard chuck for 50-150mm wafers and two add-on adapters for 10-50mm and 5-25mm samples. Remember to open fumehood valves for vacuum and pressurized air (CDA) before using the spincoater, also close them after you are done.