Richardson Electronics, Ltd. is a manufacturer of engineered solutions, green energy products, power grid and microwave tubes and related consumables; power conversion and radio frequency and microwave components; replacement parts, tubes and service training for diagnostic imaging equipment, and customized display solutions. Its segments include Power and Microwave Technologies (PMT), Green Energy Solutions (GES), and Canvys. The PMT segment combines engineered solutions capabilities, power grid and microwave tube business with disruptive RF, wireless and power technologies. The GES segment combines technology partners and engineered solutions capabilities that designs and manufactures products for the energy storage market and power management applications. The Canvys segment provides customized display solutions, such as touch screens, protective panels, custom enclosures, specialized cabinet finishes and application specific software packages and certification services.