Richardson Electronics, Ltd. is a provider of engineered solutions, power grid and microwave tubes and related components, and customized displays solutions, serving customers in the alternative energy, aviation, broadcast, communications, industrial, marine, medical, military, scientific, and semiconductor markets. The Company operates in two operating segments: Electron Device Group (EDG) and Canvys. The Company's products include electron tubes and related components, microwave generators, subsystems used in semiconductor manufacturing, and visual technology solutions. These products are used to control, switch or amplify electrical power signals, or are used as display devices in a variety of industrial, commercial, medical, and communication applications. On September 4, 2012, the Company acquired the assets of D and C Import-Export, Inc.