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Package free LED, whose characteristics as no leadframe/ reflector, is one of those emerging technology [1]. The package free LED has arose excessive attention in recent years because of its benefits in excellent color consistence, wide light distribution, low material cost and simple process. This study assesses the performance of “sheet forming type” package free LED under operational and humidity...
Mesoscale parameters, which describe the atomic interactions of the polymer-metal interface at the separation process, are important in the development of a coarse grain model for the interfacial adhesion study. A non-equilibrium molecular dynamics model is established to obtain the traction-displacement relations of the separation of epoxy-copper interfaces. We study three influencing parameters...
The traction-displacement relations of the epoxy-copper interfaces are studied using an atomistic model. The reaction force of the epoxy layer in response to displacement of the interface is calculated during molecular dynamics simulation. A parametric study in terms of displacement rate and the step size of displacement increment has been performed. The traction-displacement relations are found sensitive...
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