电子显微镜 electron microscope 结构及原理 用途 LIGHT MICROSCOPE TRANSMISSION ELECTRON MICROSCOPE Cathode filament Lamp gun Condenser lens Objective le Objective lens magnet 电子波波长约为0.005nm mmn能分辨1mm的微粒 Final image Final image on Uorescent screen电子显微镜 electron microscope • 结构及原理 • 用途 电子波波长约为0.005nm 能分辨1nm的微粒