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76 The PCB Magazine • March 2014 ED-COPPER FOILS FOR HIGH-SPEED DIGITAL PCBS continues and dispersion in thin high-frequency trans- mission lines,'' DesignCon 2010, Santa Clara. 4. M. Gaudion, The Pulse: Laminate Losses and Line Length, Part II, December 2010. Figure 11: insertion loss results s21 @ 10 ghz. Julie mouzon is a r&d and technical customer service engineer at circuit Foil luxemborg. Jérôme petry is sales and application manager at circuit Foil luxemborg. dr. laurence Vast is a r&d and techni- cal customer service engineer at circuit Foil luxemborg. 5. S. Hinaga, "Determination of Copper Foil Surface Roughness from Micro-section Photo- graphs," IPC APEX EXPO, San Diego, February 2012. researchers at the materials and surface science institute (mssi), university of limerick, ireland, have made a significant breakthrough in rechargeable battery technology. an ever-in- creasing demand for portable electronic devices and improved technology for battery life and stability is a vital factor in device performance. the combined value of the rechargeable battery technology market is set to grow from $11.8 billion in 2010 to $53.7 billion in 2020. a re- search team at ul has developed a technology that more than doubles and retains the capacity of lithium-ion battery anodes even after being charged and discharged over 1,000 times. Breakthrough in Rechargeable Battery Technology

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