| Title |
A Study on the Low-energy Large-aperture Electron Beam Generator |
| Authors |
조주현(Jo, Ju-Hyeon) ; 최영욱(Choe, Yeong-Uk) ; 이홍식(Lee, Hong-Sik) ; 임근희(Im, Geun-Hui) ; 우성훈(U, Seong-Hun) ; 이광식(Lee, Gwang-Sik) |
| Keywords |
저에너지대면적전자빔 ; 글로우방전플라즈마 ; 쉬스 ; 고전압펄스 ; 진공관스위치 ; |
| Abstract |
This research has been carried out to develop a low-energy large-aperture pulsed electron beam generator (LELA), 200keV 1A, for industrial applications. One of the most important feature of this electron beam generator is large electron beam cross section of 190cm^2. Low energy electron beam generators have been used for water cleaning, flue gas cleaning, and pasteurization, etc. In these applications the cross sectionof the e-beam is related to reaction efficiency. Another important feature of this LELA EB generator is easy maintenance because of its simple structure and relatively low vacuum operation compared to the conventional EB generators. The conventional EB generators need to be scanned because the small cross section thermal electron emitters are used in the conventional EB generators which have small EB cross section. In this research, we use the secondary electrons generated by ion bombardment on the HV cathode surface as a electron source. Therefore we can make any shape of EB cross section without scanning. |