分别讨论了聚焦极电位、聚焦极孔径以及栅极电位对发射电子束的影响。
Influence of focus electrode bias, focus hole size and grid electrode bias on the emission electron beams was discussed.
本发明提供的场发射装置包括阴极和栅极。该阴极上设有至少一个电子发射端。该栅极与该电子发射端临近的表面上设有绝缘层。
The field emitting device of the present invention includes cathode with at least one electron emitting end and grid with insulating layer in the surface near the electron emitting end.
阴极发射出电子用以加热栅极并和产生的可电离气体原子相碰撞来产生离子。
A cathode emits electrons to heat the grid and to collide with produced ionizable gas atoms to generate ions.
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