发明名称 Thermionic electron source
摘要 A thermionic electron source includes a substrate, at least two electrodes, and a thermionic emitter. The electrodes are electrically connected to the thermionic emitter. The thermionic emitter has a film structure. Wherein there a space is defined between the thermionic emitter and the substrate.
申请公布号 US2009153012(A1) 申请公布日期 2009.06.18
申请号 US20080288862 申请日期 2008.10.23
申请人 TSINGHUA UNIVERSITY;HON HAI PRECISION INDUSTRY CO., LTD. 发明人 LIU PENG;LIU LIANG;JIANG KAI-LI;FAN SHOU-SHAN
分类号 H01J21/10 主分类号 H01J21/10
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