【摘要】 通过改变头部电极的局部形状来改善头部电场,运用Poisson程序计算几种可能形状下表面电场的分布,并以此给出最佳的改进方案．更多还原

【Abstract】 To improve the configuration of the terminal electrostatic field by modifying the shape of the terminal electrode, a calculation of the surface electrostatic field distributing for several possible shapes was done using Poisson code, and provide the optimum modification constructions.更多还原