一种可调的新型永磁迴路
A NEW TYPE OF ADJUSTABLE PERMANENT MAGNETIC CIRCUIT
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摘要: 本文设计了一种可调的叠式钐钴永磁迥路。用三层径向磁化的钐钴磁体和软铁类磁导材料,借助于计算机,设计了沿轴向长2.0mm,磁场强度1.2kGs,波动0.7％的均匀磁场,为高功率微波管的永磁聚焦系统提供了一种优良的永磁迴路。Abstract: An adjustable permanent magnetic circuit that is staked by three layers of samarium-cobalt permanent magnets magnetized in radial direction and magnetic conductive material such as iron, is developed. By means of CAD, a uniform magnetic field distribution having flux density of 1.2 kGs on the axis and a fluctuation of 0.7% within the axial length of 270 mm is achieved. It is a good magnetic circuit for permanent magnetic focusing system of high power microwave tubes.
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E. L. Lein, Advance in Klystron Amplifier, 16(1973), 33-39.[2]AD-A012405, 1975, 6.[3]A. Staprans, E. W. McCune, J. A. Ruetz, PIEEE 61(1973), 299-330.[4]D. D.Hayes, S. V. Logan, Microwave Journal 16(1973)4, 37-44.[5]郎良,忻宝碌,改善高功率速调管磁聚焦的均匀性,中国科学院电子学研究所内部资料,1963年. -
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