Tom Velin, CFO of August Technology Corp., has resigned for personal reasons, the company said. Corporate Controller Scott Gabbard will be acting CFO, managing financial responsibilities; other business matters and investor relations will be handled by Jeff O'Dell, CEO, and David Klenk, president and COO, respectively. August Technology Corp., based in Bloomington, Minn., is a supplier of automated visual defect inspection equipment for the microelectronics industry.   . . .   Bryan J. Even was elected vice president of Raytheon Co. Even is president of Raytheon Technical Services Co.