Profile: Ferrotec (USA) Corporation provides advanced technology solutions. We are a manufacturer, marketer and distributor of advanced material, component, and assembly solutions used in a broad array of end products, manufacturing systems and industries. FerrofluidicŪ sealing technology is used in the manufacture of the majority of semiconductor wafers. Our company develops a ferrofluid based viscous damper that improves the performance of stepper motors. We can custom design GT series seals for virtually any size, for both positive pressure and vacuum.