Why Are We Cleaning No-Clean Flux?

No-Clean flux, once a reliable alternative to cleaning is quickly becoming the most common type of flux being removed. This presentation will discuss the reasons so many assemblers have implemented a cleaning protocol for assemblies reflowed with no-clean flux. hile many assemblies maintain a high tolerance for post-reflow residues and do not benefit from a cleaning process, many others experience residue-related failures. This presentation will outline factors that affect residue tolerance and methods to predict an assembly’s residue tolerance.

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