In this episode, we continue our conversation from last episode with  Dave Wilcox, PCB CAM engineer at CircuitHub, to explore the intricacies of plugging and filling vias.Topics Covered:The differences between plugging and filling vias, and when to use each method.The common challenges faced during the reflow process, including the infamous "popcorn effect" caused by trapped flux.Practical advice on preventing manufacturing issues related to via plugging.Cost considerations between tenting, plugging, and filling vias.Insights into using various materials for via filling, including epoxy and solder.A fascinating case study on using solder to plug vias for gas sensors.The importance of thoughtful PCB design and silkscreen placement to avoid manufacturing headaches.Key Takeaways:Plugging vias can prevent air and flux entrapment, but must be carefully specified in the design.There’s a delicate balance between cost and functionality when choosing how to handle vias.Thoughtful design and clear communication with manufacturers can lead to smoother production and better results.pickplacepodcast.com

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