碰撞电离 [物] impact ionization
[物] collision ionization
- 基于光电效应原理。我们设计了一个新型脉冲激光光电子枪,它可以作为飞行时间质谱的电子碰撞电离的电离源。
Based on photoemission effect. we design a laser photoemission electron gun for electron impact ionization source of time of flight mass spectrometer. - 本发明改善了半导体器件的击穿电压特性,此外,在本发明的半导体器件中可以避免碰撞电离现象的发生。
The invention improves puncture voltage characteristic of the semiconductor device, in addition, collision ionization in the semiconductor device can be avoided. - 本文以碳纳米管场发射三极管结构为例模拟了气体-电子碰撞电离产生的正离子回轰阴极的全过程,对模型中的平面阴极受损的位置和程度进行了的分析;
In the field emission triode, the residual gas collides with electrons and ionize, then many ions produce. Due to the electrical field the ions bombard on the cathode and may damage it.