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4 PCB007 MAGAZINE I NOVEMBER 2020 FEATURES: Happy's DIY Solution to Chemical Control by Happy Holden FEATURE COLUMNS: So Much More Than Just Through Vias by John Steinar Johnsen Don't Get Pickled by the Barrel by Todd Kolmodin Via Plating for PWBs by George Milad FEATURES: GreenSource Fabrication Creates Plating Flexibility Interview with Alex Stepinski and Rick Day Making Sense of Plating Chemistries by Bill Bowerman and Rich Bellemare The Impacts and Benefits of VeCS Technology Interview with Joan Tourné and Joe Dickson IPS Expanding to Accomodate Growing Market Interview with Mike Brask NOVEMBER 2020 • FEATURED CONTENT Higher speeds and smaller densities increasingly require different materials, there are smaller fabrica- tion dimensions, and higher aspect ratios in multilayers force the specialization of plating chemistries, too. No one set of solutions can do it all. How does a fabricator choose new chemistry? What is the decision-making process? What should be considered? Find out in this issue. Vias and Plating 62 44 58 78 10 22 30 52 10 22 30 52