SYRACUSE, N.Y., 12 Dec. 2007. INFICON, a manufacturer of instrumentation and process control software for the semiconductor and vacuum-coating industries and other industrial applications, has acquired Sigma Instruments Inc., a manufacturer of instrumentation for the measurement and control of thin film processes.

"Sigma products complement our INFICON portfolio of instruments, providing a more complete product range," says Lukas Winkler, president and chief executive officer. "This acquisition – the next step in a series of initiatives beginning with our 2006 acquisition of our raw quartz crystal supplier to provide an essential component in the manufacture of thin film monitoring and control instruments – expands our position in the thin film controller market. It also increases opportunities for INFICON in the emerging solar manufacturing arena."

The company's product line includes a range of quartz crystal microbalance monitors, controllers, and accessories.

Terms of the transaction were not disclosed.