2020-09-27 www kimball直线轰击型电子枪EFG-7 / EGPS-1017 kimball直线轰击型电子枪EFG-7 / EGPS-1017 能量范围:10 eV to 1500 eV 束流范围:1 nA to 100 µA 束斑范围:1mm to 100mm