作者: Claude Boniface , Marcel Guyot , Vladimir Cagan , Patrice Renaudin
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摘要: The invention relates to a Hall-effect ion ejection device that comprises longitudinal axis (00') substantially parallel the direction, and at least: main ionisation acceleration annular channel (21), (21) being open its end; an anode (26) extending inside (21); cathode (30) outside outlet thereof; magnetic circuit (4) for generating field in portion of said including least inner wall (22), outer (23) bottom (8) connecting (22) walls defining downstream (4); characterised is arranged so as create independent from azimuth.