POSITHÔT – la Manufacture d’Antimatière – offers services in defects measurement and equipment’s with a resolution down to the atomic size, usefull on any kind of materials, metals, ceramics, polymers, semi-conductors. POSITHÔT has a unique technology of positron production by a non-radioactive way. The ultimate resolution of these systems is in the range of the transmission electron microscopy technique, but with a non-destructive technique.