[ENG] [Tech.] SEM & EDS =====SEM & EDS===== SEM (Scanning Electron Microscopy) is a scanning electron microscope and EDS (Energy-Dispersive X-ray Spectroscopy) is an X-ray spectroscopic analyzer. SEM can take high-esolution images, and EDS can determine the elemental composition and amount of a material. =====SEM & EDS principle===== SEM is an equipment that directly shoots electrons on the samp..