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    • 92. 发明申请
    • MAGNETRON
    • US20090236991A1
    • 2009-09-24
    • US12407477
    • 2009-03-19
    • Robert Charles Wilson
    • Robert Charles Wilson
    • H01J25/50
    • H01J23/05H01J25/50
    • A magnetron has an anode 3 surrounding a tubular hollow cathode 4 which contains a heater 9. The cathode is supported by radial arms at each end. At one end of the cathode, the heater is supplied with one terminal of its D.C. supply by means of a radial arm 5, which also serves to support that end of the cathode. The arm has a portion 5a offset towards the cathode, and a cover of conducting material is interposed between the heater connection and the adjacent end wall 1 of the vacuum envelope. The cover may have a folded portion so that it can be carried by the arm.
    • 磁控管具有围绕包含加热器9的管状中空阴极4的阳极3.阴极由每个端部处的径向臂支撑。 在阴极的一端,加热器借助于径向臂5供应其直流供电的一个端子,其也用于支撑阴极的这一端。 臂具有朝向阴极偏移的部分5a,并且导热材料的盖被插入在加热器连接件和真空外壳的相邻端壁1之间。 盖可以具有折叠部分,使得其可以由臂承载。