| 摘要 |
A magnetron apparatus and a manufacturing method therefor according to the present invention comprises a magnetron (1) having a tubular anode (4) and a cathode (8), a magnetic circuit (2) having first and second magnets (15a, 15b) disposed around the upper and lower opening end portions of the tubular anode, respectively, and a yoke (16b) disposed enclosing the tubular anode and the first and second magnets, and a radio wave leakage preventor (3) having a filter case (18a, 18b) and LC filter circuit components (20, 20a, 20b) disposed inside the filter case, wherein at least the filter case is filled with an insulating cooling liquid. <IMAGE> |
