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Ni海绵氧化物阴极制备技术改进 被引量:1

Technique Improvement of the Ni Sponge Oxide Cathode
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摘要 采用喷砂和真空蒸散技术,改进了Ni海绵氧化物阴极制备方法。试验表明,这一改进可显著提高阴极制备质量,有利于提高大功率微波器件的可靠性。 The preparation method of the Ni sponge oxide cathode has been reformed by spouting sand and vacuum evaporating technology. The results show that the performance of the oxide cathode can be improved by these new methods, which have advantages to improve the reliability of the high-power microwave device.
出处 《真空电子技术》 2006年第5期55-57,共3页 Vacuum Electronics
关键词 基金属 Ni海绵 硝棉 蒸散 Oxide cathode The Ni sponge Nitric cotton Evaporation
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参考文献1

  • 1王小霞,赵青兰,廖显恒.氧化物阴极在微波管中的应用[C].中国电子学会真空电子分会第14届学术年会,丹东,2003.

同被引文献12

  • 1Cortenraad R, Denier van der Gon A W, Brongersma H H, et al. Surface analysis of thermionic dispenser cath- odes [J]. Applied Surface Science, 2002, 191 (1) : 153-165.
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  • 3Gaertner G, Barratt D. Life-limiting mechanisms in Ba- oxide, Ba-dispenser and Ba-Scandate cathode [J]. Ap- plied Surface Science, 2005, 251(1): 73-79.
  • 4Wang J, Liu W, Liu Y, et al. Emission efficiency opti mization of RE2O3 doped molybdenum thermionic cath ode by application of pattern recognition method [J]. Applied Surface Science, 2005, 251(1): 89-96.
  • 5Wang J, Liu W, Gao F, et al. Preparation and charac- terization of single RE2 O3-Mo secondary emission mate- rials [J]. Solid State Sciences, 2009, 11(1):85-90.
  • 6Yang F, Wang J, Liu W, et al. Y2O3-Lu2O3 co-doped molybdenum secondary emission material [J]. Applied Surface Science, 2013, 270:746-750.
  • 7Wang J, Liu W, Ren Z, et al. Characteristics of La2O3- Y2O3-Mo cermet cathode with RE2O3 nano particles [J]. Current Applied Physics, 2011, 11(3) : 667-672.
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  • 9吴兆皓.铝酸盐钡钨阴极中掺氧化钙和氧化钪的作用机理[J].电子与信息学报,1987(4):348-358.
  • 10张敏,王小霞,罗积润,廖显恒.等离子喷涂含钪氧化物阴极制备及发射特性研究[J].物理学报,2012,61(7):468-473. 被引量:11

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