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44 PCB007 MAGAZINE I AUGUST 2018 IPC High-Reliability Forum for Mil-Aero and Automotive Sectors—Second Day The first presentation of Day 2 was a pan- el discussion on "forgotten tribal knowledge." The panel members were Don Dupriest, Lock- heed Martin; Denny Fritz, SAIC; and Doug Jef- frey of Electrotek (Figure 3). What is Tribal Knowledge? The panel defined it as, "A set of unwritten rules or information known by a group of individuals within an or - ganization but not common to others that often contributes significantly to overall quality. Tribal knowledge may be essential to the production of a product or performance of a service but may also be counterintuitive to the process." To get the discussion going, the panel had some general questions for all: • What methods are you or your company using to prevent loss of tribal knowledge? • Can you provide an example of when tribal knowledge loss caused a design or production issue? • What actions would you recommend a new employee take to combat the loss of tribal knowledge? • In this bimodal era of our industry what means can management take to facilitate knowledge sharing? • What areas of our industry do you see the biggest potentials for knowledge loss? • Do you have any creative ideas for how to backfill these gaps? • How are you or your companies making a conscious effort to include younger and newer employees in industry activities/ meetings? The next presentation was "System-level Effects on Solder Joint Reliability" by Max- im Serebreni of DfR Solutions. Maxim dis- cussed the simulation of the "Wear-Out Failure Figure 2: Propagated D coupon layout. (Source: IPC-2221 Appendix A) Figure 3: Panel on "Forgotten Tribal Knowledge," (left to right) Don Dupriest, Denny Fritz and Doug Jeffrey.