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The speckle effect, generated by a liquid-crystal spatial light modulator (LCSLM), is studied using a femtosecond laser machining system. The speckle effect of the patterned beams produces hierarchical micro/nanostructures on the surface of polished stainless steel (SS 316L). The results show that the hierarchical micro/nanostructures are composed of micro-sized valley structures created by the LCSLM...
Nanoimprint lithography (NIL), as a low-cost and mass production technique, has played an important role in micro/nano fabrication. However, the sticking problem between the stamp and resist blocks its further application. In order to modify the contact surface, a molecular dynamics (MD) method was used to choose the proper material to coat on the surface of the stamp. According to the MD analysis,...
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