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Maskless Writing of Surface-attached Micro-magnets by Two-photon Crosslinking
Nicolas Geid
Jan Ulrich Leutner
Oswald Prucker
Jürgen Rühe
出版
Universität
, 2023
URL
http://books.google.com.hk/books?id=rC7bzwEACAAJ&hl=&source=gbs_api
註釋
Abstract: Surface-bound 3D micro-magnets are fabricated from photoreactive copolymers filled with magnetic nanoparticles by maskless 3D writing. The structures are generated by 2-photon crosslinking (2PC), which allows direct writing into solid films of composites consisting of magnetic particles and a photoreactive elastomer precursor. With this strategy, it is possible to directly write complex, surface-bound magnetic actuator structures, which generates new opportunities in the fields of microfluidics and bioanalytical systems. Compared to the common 2-photon polymerization, in which the writing process takes place in a liquid resin, the direct writing based on the 2PC method takes place in a solid polymer film (i.e., in the glassy state)
