Issue link: https://iconnect007.uberflip.com/i/1199133
6 DESIGN007 MAGAZINE I JANUARY 2020 SHORTS: How Real-time Tracking with IoT Keeps Your Food Safer and Fresher Chemists Glimpse the Fleeting Transition State of a Reaction Zero-emission Flight Takes Giant Leap Forward 'Tweezer Clock' May Help Tell Time More Precisely White House Proposes Regulatory Principles to Govern AI Use DEPARTMENTS: Career Opportunities Events Calendar Advertiser Index & Masthead HIGHLIGHTS: PCB007 MilAero007 Top 10 PCBDesign007 SPECIAL FEATURES: Engaging STEM Students at IPC APEX EXPO 2020 by Nolan Johnson IPC Government Relations Team Offering Education and Fun at IPC APEX EXPO by Chris Mitchell CFX Preview at IPC APEX EXPO 2020 Interview with Chris Jorgensen INTERVIEW: Designing PCBs for Large-scale LED Screens Interview with Rainer Beerhalter COLUMNS: Interconnect Impedance by Barry Olney Design Tips for Layout by Bob Tise and Matt Stevenson PCB Design and HD Semiconductor Packaging by Vern Solberg A New Beginning by Stephen V. Chavez Rounding Up a Posse by Tim Haag Five Top Resin Tips by Alistair Little 11 39 44 68 77 99 108 109 45 69 96 46 50 54 40 20 36 60 66 70 74 JANUARY 2020 • ADDITIONAL CONTENTS 54