COAXIAL MAGNETRON Russian patent published in 1997 - IPC

FIELD: microwave devices. SUBSTANCE: device has cathode, internal oscillation system and external coaxial oscillator with tuning element, which has absorber. Tuning oscillator is designed as ring which is made from ceramic absorbing material. Its end which is directed to coaxial oscillator is covered with metal layer which thickness is less than 0.2 of thickness of tuning element and is not less than thickness of skin layer of this metal for device effective frequency. EFFECT: increased functional capabilities. 1 dwg