MAGNETRON WITH TRANSLATION LENS OPTICS Russian patent published in 1995 - IPC

FIELD: S H F electronics. SUBSTANCE: magnetron with translation lens optics has anode, cathode, output device and lens formed by two cylindrical electrodes mounted coaxially to cathode. Lens is manufactured in the form of two spirals with equal spacing displaced with reference to each other by value of half-spacing of spiral. One of them in the form of spiral emitting surface is located on cathode, the other one in gap between cathode and anode. EFFECT: expanded application field. 1 dwg