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R2R large area fabrication of functional panels gained popularity in recent years and micro 3D profiles for optical films and biomedical applications have gained momentum with improving replication accuracies in hot embossing systems. However, studies on the effect of heat flux on the replication accuracy have been lacking. In this study, a twin belt based roll-to-roll embossing system was designed...
We aim to develop roll-to-roll (R2R) large area ultraviolet (UV) embossing process for structuring micro features on flexible plastic films. Critical challenges in R2R UV embossing include but not limited to (i) precise deposition of liquid UV curable resins, and (ii) realizing low temperature and low pressure micro-structuring using UV curing. We have developed a R2R UV embossing system, which consists...
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