发明名称 PHOTOCATHODE WITH EXTREMELY THIN PROTECTIVE FILM
摘要 PURPOSE: A photocathode with an extremely thin protective film is provided to simplify processes, reduce costs and allow for ease of manufacture of device using a photocathode with a large area, by permitting processes to be freely performed in the atmosphere after the evaporation of photoelectric surface. CONSTITUTION: A photocathode comprises a transparent substrate(21); a photoelectric surface(24) evaporated on the transparent substrate, and which converts the light incident through the transparent substrate into electrons and emits electrons; a first photoelectric surface protective film(25) for covering the photoelectric surface and protecting the photoelectric surface from atmosphere; a transparent conductive plate(22) interposed between the transparent substrate and the photoelectric surface; and a second photoelectric substrate(23) interposed between the transparent conductive plate and the photoelectric surface. The electrons emitted from the photoelectric surface pass through the first photoelectric surface protective film by tunneling effects.
申请公布号 KR20030022975(A) 申请公布日期 2003.03.19
申请号 KR20010055835 申请日期 2001.09.11
申请人 KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY 发明人 JUN, DEOK YEONG;KIM, SANG SU;LEE, CHANG HYEON;LIM, GOENG SU
分类号 H01J1/30;H01J1/34;H01J40/06;(IPC1-7):H01J1/30 主分类号 H01J1/30
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