Top row (from right to Left) : Dr. Daniel Godoy, Dr. Peter Mc. Swiggen (JEOL Instructor), Carlos A. T. Dias (PhD Student), Bottom row (right to Left): Dr. Breno Leite (JEOL), Dr. George L. Luvizotto (UNESP - EPMA lab Director) and Eng. Ricardo Sanabria (JEOL).