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在电真空器件失效机理的研究中,气氛引起的失效是一个重要因素,而显象管的气氛致因失效尤为突出。因此在第一阶段分析了显象管在封离后、烤消后以及阴极激活老炼过程中的气氛变化特点之后,本工作转入讨论显象管寿命中(已超过19000小时)的气氛以及气氛与材料和工艺的关系。最后还讨论了气氛对阴极发射和寿命的影响。实验条件迴旋质谱仪计管由于其体积小、另件少、结构简单和易于去气,又由于有足够的分辨率、灵敏度、能定量分析,所以是电真空器件气氛分析的有效工具。本工作就是使用本所研
Atmospheric failure is an important factor in the investigation of the mechanism of failure of electro-vacuum devices, and the failure of the tube in the atmosphere is particularly prominent. Therefore, in the first stage, after analyzing the characteristics of atmosphere changes after the tube was sealed, baked, and the cathode was activated and aged, the work turned to discuss the atmosphere of the tube life (more than 19,000 hours) and Atmosphere and the relationship between materials and technology. Finally, the effect of atmosphere on cathode emission and lifetime is also discussed. Experimental conditions Cyclotron mass spectrometer tube due to its small size, less pieces, simple structure and easy to gas, but also because of sufficient resolution, sensitivity, quantitative analysis, it is an effective tool for the analysis of electrical vacuum device atmosphere. This work is to use this research