FSI International, Inc. designs, manufactures, markets, and supports equipment used in the fabrication of microelectronics, such as advanced semiconductor devices. The company provides surface conditioning technology solutions and microlithography systems, and support services to the manufacturers of integrated circuits. It manufactures, markets, and supports surface conditioning equipment that uses wet, cryogenic, and other chemistry techniques to clean, strip, or etch the surfaces of silicon wafers, and supplies refurbished microlithography products that are used to deposit and develop light sensitive films. The company offers system and subsystem upgrade packages, spare part kits, individual spare part components, robot refurbishment and replacement, and support services that provide product and process enhancements to extend the life of previously purchased and installed systems. It also sells various process, service, and maintenance programs. FSI International, Inc. markets its products to the manufacturers of microelectronic devices worldwide. The company was founded in 1973 and is based in Chaska, Minnesota.