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Computer Simulation of the Cone-shaped Cathode in Vacuum Microtriodes
Author(s): 
Pages: 70-74
Year: Issue:  2
Journal: Vacuum Science and Technology

Keyword:  真空微三极管 圆锥形阴极 有效发射角 阳极电流 计算机模拟;
Abstract: 利用有限元法对圆锥形场致发射阴极的真空微三极管进行了计算机模拟。改变真空微三极管的各项结构参数及阳极和栅极电压 ,得到一系列模拟数据。然后对模拟结果进行分析讨论 ,总结出圆锥形阴极有效发射、阳极电流与真空微三极管的结构尺寸、阳极电压和栅极电压之间的关系 ,对于真空微三极管的实际设计和制作有一定的参考价值
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