CAMECA manufactures and sells scientific instrumentation based on four major surface and interface analysis techniques: clic below for a short introduction to these techniques.

EPMA (Electron Probe Micro-Analysis) 

LEXES (Low energy Electron induced X-ray Emission Spectrometry)

SIMS  (Secondary Ion Mass Spectrometry)

TAP (Tomographic or 3D Atom Probe)

TXRF (Total X-Ray Fluorescence)