Rudolph Technologies, Inc. (NASDAQ: RTEC) is a provider of process characterization equipment and software for semiconductor, light emitting diode (LED), data storage, flat panel display and photovoltaic manufacturing industries. The companys product offering includes automated macro defect inspection systems, probe card test and analysis systems and thin film metrology systems. In addition, Rudolph provides a broad range of software products designed to improve yield, control processes and reduce manufacturing costs.  Wikipedia