| https://www.eptac.com/soldertip/issues-of-burnt-flux-on-class-3-pcb-assemblies/
: Flux residues are flux residues, regardless of whether it is burnt or not. Reference section 10.6.1 Cleanliness – Flux Residues in the 610
| https://www.eptac.com/soldertip/soldertip-48-the-cleanliness-of-wire-and-terminal-connections/
. Boards and assemblies are cleaned of flux residues for a variety of reasons, dendritic growth on More SolderTips SolderTip #36: Wave Soldering Insufficient Fill and Voids in PTH SolderTip #37
| https://www.eptac.com/faqs/soldertips/soldertip/soldertip-48-the-cleanliness-of-wire-and-terminal-connections
. Boards and assemblies are cleaned of flux residues for a variety of reasons, dendritic growth on […] Question : What are the specifics on wire and terminal connection cleanliness requirements and how do they compare to PCB cleanliness? Answer
| https://www.eptac.com/wp-content/uploads/2016/08/eptac_08_17_16.pdf
| https://www.eptac.com/wp-content/uploads/2021/11/eptac_08_17_16.pdf
| https://www.eptac.com/faqs/ask-helena-leo/ask/solder-selection-for-printed-circuit-boards-and-terminals
any other of your solder joints. Keep in mind, however; that the rosin flux residues may need to be cleaned off and this is where problems can develop
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/march/about-us/events/wafer-level-packaging-symposium-2022
packaging technologies being used. In this article, we have evaluated plasma treatment for advanced WLP applications. The results show that plasma can be effectively used to improve the surface wettability of the photoresist prior copper electroplating, remove photoresist scum residues, and eliminate sacrificial
| https://www.eptac.com/ask/solder-selection-for-printed-circuit-boards-and-terminals/
any other of your solder joints. Keep in mind, however; that the rosin flux residues may need to be cleaned off and this is where problems can develop
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/select/technologies-or-options/solder-nozzle-cleaning
Solder Nozzle Cleaning - English Solder Nozzle Cleaning - German Solder Nozzle Cleaning Flux Gel Solder Nozzle Cleaning to Ensure Consistent Quality Features and Benefits - Removes oxidation residues and re-tins the nozzle surface without overspray of machine or
| https://www.eptac.com/soldertips/soldertip-44-ipc-guidelines-for-flux-selection-and-use/
. This will guide you as to whether or not you need to have a cleaning process to remove these residues from the surfaces of your product