Electronics Forum | Fri Sep 07 09:55:19 EDT 2007 | russ
what type of solder paste are you using? Why the concern over wetting spread to the edge of pads? Are the solderjoints formed correctly at the component? Russ
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resource-center/solder-glossary-of-terms
. Activator cleans metal surfaces of oxides and contaminants, promoting wetting of Solder Alloy. Activator is consumed by heat over time
Blackfox Training Institute, LLC | https://www.blackfox.com/4-common-errors-in-smt-assembly/
. Non Wetting Or De Wetting Non-wetting is an SMT defect that occurs when the base metal surface on the board doesn’t accept the molten solder, creating a poor joint condition where a component’s terminals