| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetron which can maintain a cavity resonance property as in prior arts, the cavity resonance property may be changed in the case the size is reduced by reducing a diameter of a cylinder shaped anode body. SOLUTION: This magnetron includes an anode vacuum container having a plurality of banes being arranged radially in a cylinder shaped anode body, a cathode part being disposed on the central axis of the container, an antenna for emitting a microwave to outside. Projected members directed to the central axis of the container are jointed to an inner periphery surface of the cylinder shaped anode body.
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