Pcb soldering3/30/2024 ![]() And “acceptable” appearance may hide failures in waiting. Here’s the problem: Training focuses on the desired appearance of solder rather than how the connection is achieved. Why we don’t (typically) have perfect PCB soldering ![]() This and upcoming articles will explain why PCB soldering reliability is so dismal, how we got here, and the necessary corrective actions. No one ever learned perfect soldering by attending “industry standard” training. The very large amounts of time and money the electronics assembly industry devotes to training and certification have largely been wastes of resources. ![]() Visually acceptable connections are not necessarily reliable connections. They often do become proficient at hiding defects, but that’s a completely different and unacceptable ability. Surprisingly, although PCB soldering is the core process of electronics assembly, few people do know how to solder reliably. The “industry standard” soldering rulebook guarantees failures and high costs. And most of what the soldering “experts” have told us is wrong. What can explain this contradiction? If perfect soldering is easy, why is there so much touchup and rework? The answer, of course, is that it’s easy if you know how. Perfect PCB soldering is easy! It’s also very rare.
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