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58 PCB007 MAGAZINE I AUGUST 2021 Feature Article by Andy Shaughnessy I-CONNECT007 Editor's Note: is article was originally pub- lished in the July 2021 issue of Design007 Maga- zine. Rigid-flex circuits have become almost ubiq- uitous over the past decade; most person- al electronic devices contain at least one rig- id-flex circuit. But there's a downside to rigid- flex: Respins are almost a given with rigid-flex designs. And rigid-flex respins can be quite ex- pensive, since this technology costs quite a bit more, on average, than flex or rigid boards. In this free 22-minute on-demand webinar, Flex & Rigid-flex DFM Analysis, Kevin Webb, an NPI technical marketing engineer with Sie- mens EDA, explains how using Valor NPI early in your rigid-flex design flow can help you re- duce your rigid-flex respins, or possibly even eliminate them completely. Webb discusses how Siemens' drive to "le- shi" manufacturing information into the de- signer's hands allows rigid-flex designers to make more informed decisions early in the design cycle, where mistakes are less costly. Webb walks the user through a typical rigid- flex design, explaining how Valor NPI is op- timized to work with rigid-flex circuits. e Rigid-Flex Design Without Respins: A Webinar Review