| https://www.eptac.com/soldertip/soldertip-36-wave-soldering-insufficient-fill-and-voids-in-pth/
. The other issue which could be causing this problem is if VOC free fluxes are being used and the application is putting on too much flux and it is not drying off during the preheat stage of the wave solder system
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/adhesive-dispensing-systems/products/foaming-systems/foammelt-dispensing-system
control for consistent adhesive viscosity Minimize VOC emissions with solvent-free assembly In This Section Product Type Foaming Systems FoamMelt Dispensing System FoamMix®
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/asymtek/your-process/fluid-types/conformal-coating-materials
) vaporize when exposed to excessive heat. Symptoms include a discoloring, followed by a reduction in mass. Conformal Coating - Silicone Silicone , the last of the general base formulations, offers a viable solution for VOC-free production, although it has high viscosity
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/blog/080919-precise-conformal-coating-dispensers-increase-yields-for-automotive-pcb-supplier
board that could lead to product failure Precise deposit pattern definition on densely populated PCBs Reduce volatile organic compound (VOC
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/06/Optimizing-Reflowed-Solder-TIM-sTIMs-Processes-for-Emerging-Heterogeneous.pdf
backside (initial studies show no effect on lids) Flux formulation optimization, using halogen-free, ultralow residue and VOC-free types, as flux is often used as tackifier as well as a reducing agent CSAM and 3D x-ray to determine void location in x, y and
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