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| A LIGHT WEIGHT MAGNETIC CIRCUIT WITH SmPrCo MAGNET |
| Li Senru Yuan Guangquan Li Anlai Tang Yifeng |
| Institute of Electronics; Academia Sinica |
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Abstract A SmPrCo PM focusing system for 3 cm klystron is reported. The magnetic gap of the magnetic system is 67.3 mm. The maximum field intensity in the gap is 2700Gs. The fluc-tuation of the field intensity is 4%, the weight of the SmPrCo magnet is only 5 kg. The total weight of the magnetic system is 8.6 kg. The magnetic system has been used for a 50 kW klystron, and the results obtained are satisfactory. The beam transmission of the klystron is above 98%.
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Received: 05 July 1983
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1984, Vol. 6 
