Issue link: https://iconnect007.uberflip.com/i/960726
SHOW & TELL MAGAZINE 2018 I I-CONNECT007 13 Taiyo America, Don Monn Direct-Imaging Solder Mask Developments Don Monn describes the development of a direct-imaging version of its long-established PSR-4000HFX solder mask. Fujitsu Advanced Technologies, Yoshiyuki Hiroshima First Runner-Up Technical Paper: IPC APEX EXPO 2018 Yoshiyuki Hiroshima discusses his first runner-up techni- cal paper: "Derivation of Equation on Thermal Life Predic- tion of Plated Through Hole for Printed Wiring Board." Indium Corporation, Brook Sandy-Smith PMI-Squared Concept: 2018 IPC Technical Buzz Session Brook Sandy-Smith discusses ionic process residues on PCB assemblies and introduces the concept of "PMI-squared" (process material interaction investigation)—the topic of an IPC Technical Buzz Session at IPC APEX EXPO 2018.