To better reflect its relationship with PCO AG of Kelheim, Germany, Cooke Corp. of Romulus, Mich., has changed its name to !%PCO-Tech Inc.%! The company will continue to operate under its current structure. It also will continue to provide high-speed imaging and lighting systems, CCD and CMOS imaging systems, optical noncontact measuring and monitoring instrumentation, and NIST-traceable light-measurement instrumentation and services.