Electron microscope; Electron microscope that can obtain images of sample located at atmospheric pressure or low vacuum; Thin membrane used for an electron microscope to separate an inner vacuum space of the electron microscope from an outer atmosphere space in which a sample is placed; Electron microscope parts; Device for Energy Dispersive X-ray Spectroscopy (EDS device); Cross sectional polisher using ion beam for polishing a cross section of, for example, a specimen used for an electron m...