Additive process using femto-second laser for manufacturing three-dimensional nano/micro-structures

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The two-photon stereolithography (TPS) process is a promising technique for the fabrication of real three-dimensional (3D) nano/micro-structures via application of a femto-second laser. In TPS, when a near-infrared ultrashort-pulsed laser is closely focused onto a confined volume of photocurable resin, only the local area at the center of the focus is cured. Therefore, real 3D microstructures with resolution under the diffraction limit can be fabricated through a layer-by-layer accumulative technique. This process provides opportunities to develop neo-conceptive nano/micro devices in IT/BT industries. However, a number of issues, including development of effective fabrication methods, highly sensitive and functional materials, and neo-conceptive devices using TPS, must be addressed for the realization of industrial application of TPS. In this review article, we discuss our efforts related to TPS: effective fabrication methods, diverse two-photon curable materials for high functional devices, and applications.
Publisher
KOREAN SOC PRECISION ENG
Issue Date
2007-10
Language
English
Article Type
Article
Keywords

CERAMIC MICROSTRUCTURES; NANO-STEREOLITHOGRAPHY; PHOTONIC CRYSTALS; FABRICATION; LITHOGRAPHY; MICROFABRICATION; PHOTOPOLYMERIZATION; POLYMERIZATION; ARCHITECTURE

Citation

INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, v.8, pp.63 - 69

ISSN
1229-8557
URI
http://hdl.handle.net/10203/90708
Appears in Collection
ME-Journal Papers(저널논문)PH-Journal Papers(저널논문)
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