4D Technology Corporation (“4D Technology”), a leading supplier of high-performance interferometric measurement and inspection systems located in Tucson, Arizona, has been sold to Nanometrics Incorporated (NASDAQ: NANO), a leading provider of advanced process control systems.

4D Technology’s Dynamic Interferometry® solutions are used in a variety of industries to provide accurate shape and surface measurements. This measurement data provides feedback to customers of optical surface shape and quality, machine finish, and surface defectivity, to improve manufacturing yield and performance.  4D Technology’s solutions are used primarily in the manufacture of advanced aerospace and industrial systems as well as for scientific research and semiconductor applications.

The purchase price of $40 million was paid with $36 million of cash on hand and approximately $4 million of Nanometrics stock. 4D Technology’s current revenue run rate is in the range of $15 million to $20 million annually, with a similar profitability and margin model as Nanometrics.

EC M&A acted as exclusive financial advisor to 4D Technology on this transaction.