| https://www.eptac.com/solder-tips/
: I have always had in the back of my head that burnt flux is a defect for all class 3 assemblies. Upon further review I have not been able to identify the specific section of the IPC-A-610F standard which identifies burnt flux as an acceptable or defect condition
Surface Mount Technology Association (SMTA) | https://www.smta.org/webinars/
has co-authored the Test and Measurement column for Circuits Assembly Magazine. Tara Dunn is a seasoned professional with more than 20 years in the electronics industry working with PCB engineers, designers, fabricators, sourcing organizations and