Rudolph Technologies is a provider of defect inspection, metrology, lithography, and smart manufacturing software solutions for semiconductor manufacturers. It offers process control and yield management software, bare wafer, front-end wafer manufacturing, back-end, and advanced packaging inspection, opaque and transparent film metrology, advanced packaging and flat panel display lithography, probe card test and analysis, and other solutions. The company caters to bare wafer, logic, memory, RF, image sensors, and other sectors. Rudolph merged with Nanometrics Incorporated to become Onto Innovation.