| 摘要 |
In a microwave circuit, a first metal body (1, 10) having a concentric-circle-like prominence (3, 11) provided at an end of a cylindrical microwave transmission path and extending outwardly from a cylindrical inner wall is held in contact with a second metal body (4,8) having a planar configuration, with the contact of the first metal body (1, 10) with the second planar metal body (4,8) being effected solely through a small region corresponding to the prominence (3, 11) provided on the outside of the cylindrical inner wall, thereby attaining an adequate electromagnetic contact between the two metal bodies and ensuring satisfactory characteristics.
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