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For current light-emitting diode (LED) packaging technology, one of the key challenges is light extraction, due to the difference in index of refraction between LED chip and air. Silicone nanocomposites have been widely researched for applications in LED encapsulant to reduce the difference in refractive index. Silicone is desirable for LED encapsulant because of its optical transparency and photothermal...
In this paper, we introduce a novel method to fabricate stretchable RF devices in a high-throughput, high definability manner. Silicone with high elasticity and high hardness is used as both a dielectric substrate and a mold to replicate the pattern from silicon by soft-lithography. A silicone based electrically conductive adhesive (ECA) is used as the conducting material because of its low electrical...
The emphasis of this paper is to research the temperature characteristic of giant magnetostrictive actuator (GMA). First, a prototype of GMA driving by a Φ5×40mm GMM rod (Terfenol-D) is made and the experimental test-bench is set. Then, finite element method is adopted for analyzing and optimizing the temperature rise of GMA, and the influence of driving current frequency on temperature change in...
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