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38 DESIGN007 MAGAZINE I DECEMBER 2022 Q&A with Jim van den Hogen Jim van den Hogen has been teaching PCB designers and design engineers about fabri- cation processes for decades. Twenty years ago, I had the opportunity to see a class of his at PCB West; even back then, the room was jammed with designers eager to learn more about DFM techniques. Now Jim is bringing his teaching expertise to IPC APEX EXPO 2023 this January with a similar class directed at PCB designers. I asked Jim to give us a sneak peek into his curriculum and to share what he hopes attendees will take away from his class, as well as his thoughts on how to best bridge the gap between design and fabrication. Jim, could you tell us a little about your Professional Development class at IPC APEX EXPO 2023? e class walks you through a basic mul- tilayer fabrication process from front to back. It includes discussions on material, stack- ups, via metrics, aspect ratios, solder mask, surface finish, and various other fabrication- related topics. I have several sample sets that I'll pass around for students to inspect. Each sample set has over 25 individual pieces, all of them taken at various steps of a multilayer fabrication process, so students will be able to visualize the concepts we'll be discussing in the class. We will also cover the typical require- ments for a PCB fabrication drawing. e final portion of the class will cover array or manufac- turing panel design, and ways to maximize cost savings when working with these processes. A Sneak Peek With Jim van den Hogen