Ultra Clean Holdings

Ultra Clean Holdings, Inc. designs, develops, prototypes, engineers, manufactures, and tests production tools, modules, and subsystems for the semiconductor and display capital equipment industries in the United States and internationally. The company provides subsystems, such as wafer cleaning modules; chemical delivery modules that deliver gases and reactive chemicals in a liquid or gaseous form from a centralized subsystem to the reaction chamber; frame assemblies, a support structures fabricated from steel tubing or folded sheet metal; process modules, a subsystems of semiconductor manufacturing tools that process integrated circuits onto wafers; and top-plate assemblies. It also offers various industrial and automation production equipment products; gas delivery systems, which include one or more gas lines, such as weldments, filters, mass flow controllers, regulators, pressure transducers and valves, component heaters, and an integrated electronic and/or pneumatic control system;