Characterization of Electronics & Sensors

Assay of Electrolyte in Automotive Sensor: Six electronic parts from the same lot were submitted for analysis to characterize their internal electrolytes. The solvent and anion composition were studied using gas chromatography (GC) and ion chromatography (IC), respectively.   Previous testing revealed differences in solvent and ion composition of “good” and “bad” electrolyte samples.

Characterization of Surface Debris: A silvery particulate on a polyimide and wire substrate was analyzed by energy dispersive x-ray (EDX) microanalysis, optical microscopy, and x-ray mapping techniques. Alliance provided an optical photomicrograph that showed the surface particle in question. Results showed that the surface between the wires was coated with an organic material, but also contained antimony, chloride, and aluminum.