阴极阳极 – Kimball电子枪离子源阴极真空腔

如何选择阴极材料？

常用的阴极材料有Y2O3，Ta，BaO，LaB6，您要如何选择呢？

美国kimball阴极-发射极六氟化镧单晶阴极

Tantalum Disc Cathodes Ta 阴极钽阴极

Lanthanum Hexaboride Cathodes for Electron Microscopes 电子显微镜用六硼化镧阴极

Lanthanum Hexaboride Large Diameter Cathode 六硼化镧大直径阴极

Lanthanum Hexaboride Large Diameter Cathode 六硼化镧大直径阴极

Lanthanum Hexaboride Cathode with Guard Ring 六硼化镧带保护环阴极

Lanthanum Hexaboride Single Crystal Cathodes 六硼化镧单晶阴极