It is suggested that the instability is excited in the low density plasma when the electron beam drift velocities exceed the ion acoustic speed.
不稳定性产生的可能机制是由于电子束穿过低密度本底等离子体的漂移速度超过离子声速而激发起来的。
The distribution of the extraction apertures is made to compensate the Gaussan of the ion beam current density.
使引出孔的分布补偿束电流密度的高斯分布。使参数匹配并实行程序控制。
The ion energy and the density of beam flux of cold cathode ion source were measured by pentagrid probing and Faraday cup.
采用五栅网离子能量测量装置和法拉第筒测量了宽束冷阴极离子源的离子能量和离子束流密度。
In cooling storage ring heavy ion beam is plasma of high density. when a big power laser interacted on it, it will get ultra-high temperature.
重离子冷却存储环中的束流是高密度的等离子体，这样的束流照射物体将得到超高压强。
The effect of ion beam flux density and the temperature of Si substrate on the properties of the film was investigated.
考察了离子束流密度和基底温度对薄膜性能的影响。
The higher sputtering yield would result from multiple collision, lateral sputtering and high density energy deposition of gas cluster ion beam.
气体离化团束的高溅射产额可能是由于多体碰撞、侧向溅射及高能量密度的照射引起的。
The invention provides an ion pipe with a plurality of ion beam extraction holes, so that the ion beam current density becomes uniform.
本发明提供一种排列有多个离子束引出孔的离子管，使得离子束电流密度变得均匀。
The invention provides an ion pipe and ion beam extraction method, wherein the ion pipe is arranged with a plurality of ion beam extraction holes, so that the ion beam current density becomes uniform.
本发明提供一种离子管及离子束的引出方法，离子管排列有多个离子束引出孔，使得离子束电流密度变得均匀。
The unique smoothing and cleaning effects of gas cluster ion beam wou1d result from multiple collision, lateral sputtering and high density energy deposition.
气体离化团束优良的平坦化和清洁化效果可能与照射中多体碰撞、侧向溅射及高能量密度的沉积相关。
The unique smoothing and cleaning effects of gas cluster ion beam wou1d result from multiple collision, lateral sputtering and high density energy deposition.
气体离化团束优良的平坦化和清洁化效果可能与照射中多体碰撞、侧向溅射及高能量密度的沉积相关。
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