【摘要】 综述了氧化镁薄膜二次电子发射系数的主要测试方法,包括静电法、脉冲中和法、双枪法、热控法、单脉冲法以及PDP间接法等。阐述了各测试方法的原理以及在测试中各自的优点和不足。分析表明,脉冲中和法和双枪法比较适合用于测试氧化镁薄膜二次电子发射。更多还原

【Abstract】 The main methods of measuring the secondary electron emission coefficient in MgO films,including electrostatic method,pulsed neutralization method,double electron gun method,thermal control method,monopoles’ method and indirect method in PDP are summarized.The principles of the methods and their advantages and disadvantages are expatiated respectively.Working conditions in methods of measuring are suggested.According to the analysis,pulsed neutralization method and double electron gun method are preferable.更多还原