MPP

Microwave vacuum electron devices, namely, magnetrons, klystrons, gyrotrons, coupled cavity traveling wave tubes, and helix traveling wave tubes for use in generating alternating currents at microwave frequencies; microwave vacuum electron devices for radar, electronic countermeasure, medical, industrial, communications, and scientific applications, namely, magnetrons, klystrons, gyrotrons, coupled cavity traveling wave tubes, and helix traveling wave tubes for use in generating alternating currents at microwave frequencies; klystrons; gyrotrons; traveling wave tubes; helix traveling wave tubes; coupled cavity traveling wave tubes; RF amplifiers for traveling wave tubes; pentodes; tetrodes; triodes; vacuum tubes for TVs; amplifiers; oscillators; electron guns; and vacuum tubes used as switch tubes