Magnetron cathode constituent
专利汇可以提供Magnetron cathode constituent专利检索，专利查询，专利分析的服务。并且PURPOSE: To remarkably increase the stability of operation, by preventing the distortion in DC magnetic field, through the double spiral winding of the cathode filament and the heating current flowing toward opposite direction with the same value.
CONSTITUTION: The line material having the same wire size is wound in double spiral on the coaxis between the upper end shield 3a and the lower end shield 3b, and the cathode filaments 8a and 8b are provided so that the heating current flown in opposite direction for AC commercial current, the end of 8a is directly connected to the tip of the center support 4a, and the end of 8b is connected to the side support 4b via the lower end sheld 3b. Thus, to the cross section of the filamants 8a and 8b, the magnetic field CD opposite in direction in caused at the external circumference, and the fields are weakened mutually with cancellation. The distortion of DC magnetic field toward tube axis formed in the operation space 6 can be prevented, the operation stable region can greatly be extended, and the efficiency can be improved.
COPYRIGHT: (C)1979,JPO&Japio，下面是Magnetron cathode constituent专利的具体信息内容。
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