Goldfinger Megasonic Single Wafer Cleaning System. Megasonic sound waves are used to scrub surfaces clean of particles and contamination. System is controlled and operated using a LCD handheld pendant. System removes residue from advanced semiconductor devices with design rules below 130nm without damaging gate stacks, bit lines or vulnerable thin films. Comes with wafer holder for 4 in., 6 in. and 8 in. wafers. Manual loading. 120V, 50/60 Hz, 21A.