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We have a PCBA with a QFN 44 using no-clean flux. We have many test failures during testing. Are the failures due to flux reside between terminations? Jim Hall and Phil Zarrow, The Assembly Brothers, answer this question. Board Talk In this paper the authors present a new method of handling an assignment problem for hybrid manual and robotic assembly mixing lines. Production Floor Technology can do more jobs formerly performed by humans. This could result in AI automating tasks in the production of goods, services and ideas. Technology Briefing The electromigration rates and behavior of eutectic Sn-Bi alloy in planar and in BTC solder joints were compared and shown to be similar. Analysis Lab This study focuses on the changes in melting and solidification behavior of near-eutectic Sn-Bi alloys with Sb (0.5-2wt%) and Ag (0-1wt%) additions. Materials Tech In this paper the author reviews how Design for Testability techniques can be an effective way to reduce functional board test programming complexity. Production Floor The flatness of boards and components is an important topic. This study deals only with components. Analysis Lab Is it possible to scrub the pads of a PCB to bring it back into compliance? 63-37 solder was mistakenly used to hand solder parts. Board Talk Achieving optimum high-frequency PCB performance is not only the best possible PCB material, but can be impacted by PCB fabrication practices. Materials Tech Trends in U.S. demography are poised to complement the deployment of maturing AI and digitalization. This will transform industries and create new ones. Technology Briefing |
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