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18 PCB007 MAGAZINE I DECEMBER 2019 Introduction My father always told me, even when I was 40 years old, that I should never stop learning. Of course, he was a teacher and an administra- tor, so he made it his mission to make sure oth- ers had great learning opportunities. And my dad never stopped trying to learn new things, either. This lesson applies to the PCB manufactur- ing industry, as well. I have spent my life try- ing to get better at my job and, in turn, help others too. This is where constant learning and new skills development come into play. Let me introduce a few if you haven't heard these already. How to Troubleshoot a Technical Issue This should come as no surprise to those of you who read my monthly columns or have met me in your circuit board facility; re- member that time is money. And the longer a problem goes unresolved, the more money and certainly future customer goodwill can be lost. When being called on to solve techni- cal issues—whether it is a delamination situ- ation, copper plating failures, or solderability defects—I stress a few simple rules: 1. Walk the line and watch the operators in action. 2. Review documented work procedures. 3. Check rinse water quality and dwell times. Are you rinsing away the contaminants or simply dragging them along with the boards to the next critical process? 4. And the biggest sin, "Yes, everything in the chemistry is being controlled per the datasheet." What I'm saying here is quite simple: de- velop the troubleshooting skills necessary to solve process problems efficiently. The rule of thumb is to keep the troubleshooting project as Never Stop Learning Trouble in Your Tank Feature Column by Michael Carano, RBP CHEMICAL TECHNOLOGY

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