WorkingBear has noticed that many engineers or managers involved in Surface Mount Technology (SMT) have a strong passion for “PCB baking,” but their understanding of the concept might not be very clear. If you browse through discussions on PCB and SMT related forums, you’ll often find people treating “PCB baking” as a magical solution to struggle the soldering and quality issues. They believe that pre-baking PCBs before SMT can improve solderability, wetting performance, and the height of solder fillet. But is that really the case?
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