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CATHODE FOR COOLING TYPE HIGH QUANTUM EFFICIENCY PHOTOCATHODE (TYPE) ELECTRON RAY SOURCE
CATHODE FOR COOLING TYPE HIGH QUANTUM EFFICIENCY PHOTOCATHODE (TYPE) ELECTRON RAY SOURCE
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机译:冷却型高量子效率的阴极阴极(型)电子射线源
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摘要
PROBLEM TO BE SOLVED: To provide a cathode for a cooling type high quantum efficiency photocathode electron ray source, which is higher in cooling efficiency and can more stably emit a large amount of electrons. ;SOLUTION: A tip portion (6) of a cathode composed of a substance high in thermal conductivity and electric conductivity is arranged between a combination of substances (4), (5) high in Peltier cooling efficiency in a state pointed at an end thereof and joined to the respective substances (4), (5) of the combination high in Peltier cooling efficiency.;COPYRIGHT: (C)2004,JPO
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