A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons. The electrons interact with atoms in the sample, producing various signals that contain information about the surface topography and composition of the sample.The Compact Tabletop SEM offer a wide range of capabilities to address the needs of scientific research and microscopic examination. The ONLY Tabletop SEM supplier offering both Tungsten and CeB6 (Cerium Hexaboride) electron sources allowing us to recommend the best solution for your requirements.