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We proposed a new process to fabricate micro-scale polymer wrinkles on a curved surface. A UV-curable resin layer on a substrate is weakly polymerized by a small dose of UV-light. By the exposure, there is a curing gradient through the thickness in the resin layer; fully-polymerized zone on the surface and sol-gel inside. Then, it is cured completely under temperature of 28°C. According to the different...
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