Richardson Electronics Ltd provides engineered solutions, power grid, and microwave tubes and related consumables, power conversion, RF and microwave components, high-value flat panel detector solutions, replacement parts, tubes, and service training for diagnostic imaging equipment and customized display solutions. Its products have applications in alternative energy, healthcare, aviation, broadcast, communications, industrial, marine, medical, military, scientific, and semiconductor markets. The company segments include PMT (Power and Microwave Technologies Group), Canvys, (Green Energy Solutions) GES, and Healthcare reportable segments. The company derives the majority of its revenues from the PMT segment.