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What is flux residue? Diversification and analysis methods of flux residue.

Cleaning methods and post-cleaning analysis are recent challenges! We will introduce examples of issues caused by flux residues.

Flux residue refers to the residue derived from flux that remains on the workpiece after soldering (contamination), and its components include ions, metal salts, and organic substances. Cleaning paste is formulated with the premise of cleaning, so if left as is, the likelihood of insulation failure due to migration and corrosion increases. Depending on the application, this can also affect human life and infrastructure, making cleaning necessary in some cases. On the other hand, in the case of no-clean paste, the flux residue stabilizes, but the number of cases requiring cleaning for reliability assurance is also increasing. *For detailed content of the column, please refer to the related link. For more information, feel free to contact us.*

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