Nanometrics Inc. of Milpitas, Calif., a supplier of metrology equipment used in the manufacture of semiconductors, integrated circuits and flat panel displays, has named Douglas McCutcheon as executive vice president of finance and administration and chief financial officer (CFO), effective immediately. Prior to joining Nanometrics, McCutcheon held the post of managing director, senior vice president and CFO for Metron Technology N.V.    . . .    Digirad Imaging Solutions (DIS) of Poway, Calif., has named Mark L. Casner as its president. DIS is a subsidiary of Digirad Corp., a provider of solid-state, digital gamma cameras to physician offices, hospitals and imaging centers. Since 2003, Casner was president and COO of mobile diagnostic services provider DMS Imaging of Maple Grove, Minn.