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90 DESIGN007 MAGAZINE I OCTOBER 2020 Innovators Create Flexible, Printed Coil for Stringed Instruments E The Purdue team's circuit board works in the same general way as a conventional electric guitar pickup: string vibrations cause the elec- tromagnetic field to oscillate and induce a volt- age in the stationary coil. The electric signal generated is then carried to a power amplifier and speaker. Flex Talk: The Black Magic in the Business E When you work with flex or rigid-flex, the communication between designer and fabrica- tor needs to be impeccable, and the primary method of transferring information is through the fabrication notes. Tara Dunn gives a recom- mendation that, although not strictly required by the fabricator to build the product, will cer- tainly benefit the end-user. I-Connect007's Latest Innovation: Joe Fjelstad's E-Workshop on Flexible Circuits E I welcomed the opportunity to enjoy a privi- leged preview of I-Connect007's latest innova- tion in technical webinars: a series of e-work- shops covering structures, applications, mate- rials, and manufacturing processes in flexible circuit technology with the industry's leading authority—Joe Fjelstad. GTX Corp 4G LTE SmartSoles Gaining Interest E GTX Corp, a pioneer in the field of health and safety wearable GPS human and asset track- ing systems and personal protective medical equipment, announced it has begun taking pre-orders as field testing its new 4G LTE MB IoT GPS SmartSoles commences. Documenting Your Flex Circuit Design E As a flex circuit applications engineer, when Flexible Circuit Technologies' Tony Plemel receives an RFQ, the first thing he does is look at the customer's data and review their manu- facturing notes. Quite often, he finds notes that supersede IPC specifications in manufacturing documents, as customers often believe these added notes and associated specifications will make the circuit more robust. Consider This: Let's Talk About the Basics of Flex E Flexible PCBs, by their very nature, are designed to be flexible. This presents prob- lems in securely and reliably attaching the ends of the flex circuits to a solid, stiff, main PCB or other electronic devices. A combination of hard, as well as semi-flexible, stiffeners, is used for this purpose. EPTE Newsletter: Circuit Board Shipments in Taiwan up Slightly E The COVID-19 pandemic continues to disrupt the global economy. In this column, Dominique examines the impact on Taiwan. Taiwanese companies posted positive results compared to last year as manufacturing and exports increase. Flexible Thinking: Thermal Management— Electronic Technology's Rodney Dangerfield E Thermal engineering has, unfortunately, often been treated with less respect than it deserved. Dealing with the heat generated by electron- ics was often not given full consideration until after the design was completed and proto- typed, and the problem manifests as a failure. Joe Fjelstad emphasizes why keeping devices cool is a vital objective.

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