| 摘要 |
PURPOSE: A blocking capacitor of a ultrahigh frequency oscillator tube for microwave range is provided to manufacture easily a blocking capacitor by laminating metal plates. CONSTITUTION: An inner face of a flange portion(182) at a grid holder(180) is set up as a reference side. A blocking capacitor comprises the first to the fourth members(220,240,260,280). The first member(220) has a horizontal side(212) and a vertical side(214). The horizontal side(212) is contacted with the bottom face of the grid holder(180). The second member(240) has the first horizontal side(232), a vertical side(234), and the second horizontal side(236). The third member(260) has the first horizontal side(252), a vertical side(254), and the second horizontal side(256). The fourth member(280) has a horizontal side(272) and a vertical side(274).
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