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公开(公告)号:US10388484B2
公开(公告)日:2019-08-20
申请号:US15757343
申请日:2016-12-30
发明人: Jinshu Wang , Liran Dong , Jie Zhang , Mingchuang Tian , Jingchao Liu , Xiaoyang Chen , Xiao Han , Liyang Xiao
IPC分类号: H01S4/00 , H01J23/05 , H01J9/04 , H01J23/04 , B22F3/24 , C23C8/20 , C23C8/80 , B22F5/12 , C22C32/00 , H05B6/66
摘要: A carburized La2O3 and Lu2O3 co-doped Mo filament cathode is made from lanthanum oxide (La2O3) and lutetium oxide (Lu2O3) doped molybdenum (Mo) powders, the lanthanum oxide (La2O3) and lutetium oxide (Lu2O3) doped molybdenum (Mo) powders contain La2O3, Lu2O3 and Mo with the total concentration of La2O3 and Lu2O3 being 2.0-5.0 wt. % and the rest being Mo.