FEI is the world leader in the production and distribution of electron microscopes, including scanning electron microscopes (SEM), transmission electron microscopes (TEM), DualBeam­ instruments, and focused ion beam tools (FIB), for nanoscale research, serving a broad range of customers worldwide. Nanotechnology is the science of finding, characterizing, analyzing and fabri­cating materials smaller than 100 nano­meters (a nanometer is one billionth of a meter). FEI's global customer base includes researchers, scientists, engineers, lab managers, and other skilled professionals.FEI manufactures complete microscope solutions that serve the Research, Natural Resources, Electronics, Life Sciences. FEI's market-leading instruments include the latest in ion-­ and electron­-beam technologies. FEI produces cutting-edge tools that are revolutionizing nanoscale exploration from the classroom to the laboratory to the clean room. FEI is bringing the nanoscale within the grasp of leading researchers and manufacturers, and helping them turn some of the biggest ideas of this century into reality. FEI maintains research and development centers in North America, Europe, and Asia, and sales and service operations in more than 50 countries around the world.