Surface Inspection
Optically Stimulated Electron Emission (OSEE) is a unique technique for non-invasive inspection of surfaces for molecular contamination (or the presence of beneficial functionalities or coatings of these same surfaces). This technique utilizes a tool which utilizes ultraviolet radiation to create electron emission from a surface, resulting in a small current detected by the tool. Electron emission is dependent on the substrate's surface chemistry; hence the electron emission characteristics will change with the presence of a contaminant on the surface, generally by attenuating the signal. Applications for OSEE include surface inspection/verification prior to adhesive bonding; development of pre-weld cleaning/surface preparation; inspection of polished surfaces for fingerprints; inspection of graphite/epoxy skins on aluminum-core honeycomb sandwich panels; detection of corrosive electrolyte on battery surface and development of battery cleaning procedure; and verification of plasma-etch treatment of an elastomeric materials. Cleanlogix offers clean manufacturing technology and expertise for analyzing surface quality.
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