For manufacturers seeking to deliver quality products, ionic contamination testing systems are the industry standard and offer accuracy and performance in a variety of configurations.
Ionic contamination testing is an extractive analysis technique that provides the quantitative measurement of ionic contamination in electronic cards. With this test method, problems that cause field failures are detected at an early stage and an initial risk assessment can be made. More sophisticated test methods are available, such as ion chromatography, for a more precise resolution. This service provides both quantitative and qualitative ionic contamination measurements.
The main application areas of ionic contamination tests are as follows:
Using a special tester, the total ionic content is calculated as sodium chloride equivalent, resulting in a comparable quantitative resolution of the contamination on the card. This method provides an initial risk assessment. makes it possible to detect electrically conductive materials on the printed circuit board assembly. With this test, problems leading to field faults caused by transient leakage currents or electrochemical migration are detected at an early stage. Complex methods such as ion chromatography and infrared (IR) spectroscopy are available for more precise analysis. These methods analyze the ionic species on the card surface and evaluate the overall cleanliness level.
During testing, the ions contained in the assembly are released in an extraction liquid and their concentration is detected by a conductivity sensor. Then, using software, the measurement value is calculated as equivalent to sodium chloride, which acts as the reference value.
Measurement of ionic impurity, proof of purity after brazing, verification of surface quality after cleaning and before subsequent coating or bonding operations are required according to legal regulations. The ionic contamination in the assemblies is determined quantitatively. Product quality is constantly monitored with regular measurements.
Our organization also provides ionic contamination testing services with its trained and expert staff and advanced technological equipment, among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors.
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