2020-09-28 www kimball直线轰击型电子枪EMG-4215 / EGPS-4215 kimball直线轰击型电子枪EMG-4215 / EGPS-4215 能量范围:1 keV to 30 keV 束流范围:1 nA to 5 mA 束斑范围:0.5 mm to 25 mm Collimated or Flood