The accelerating electrode can be either an attracting (13) or a repelling electrode (19).
A tubular accelerating electrode (7) is positioned substantially coaxially with the shield electrode (6) and is held in use at the opposite polarity to the shield electrode.
Specifically, the accelerating electrode composes a lower electrode and an upper electrode fixed each other by welding at a plurality of spots.
Either the exciting electrode (2) must be placed asymmetrically between adjacent corona electrodes (1) or an accelerating electrode must be employed.
Electrons may be produced in a miniature, three-electrode vacuum element that consists of a NSE emitter attached to the cathode surface, a close proximity gate electrode and an accelerating electrode (anode).
The apparatus includes an acceleration electrode for accelerating the ion beam, a deceleration electrode downstream of the acceleration electrode for inhibiting electrons in the beam plasma from reaching the deceleration electrode.
The X-ray tube (10) comprises several additional acceleration modules (41, ,45) and each acceleration module (41, ,45) comprises at least one potential-carrying acceleration electrode (20/30/423/433/443).
In an electron gun comprises an electron source (20) of lanthanum hexaboride (LaB6) or cerium hexaboride (CeB6), a suppressor electrode (24) and an acceleration electrode (21).
The deceleration electrode is biased at a voltage that is selected to provide a potential barrier to thermal ions in the beam plasma to inhibit the thermal ions from reaching the acceleration electrode.
An ion acceleration electrode (23) has its mesh hole diameter set smaller than the Debye length of the plasma which has been generated by the ultrashort pulse laser abrasion ionization.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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