• CN: 11-2187/TH
  • ISSN: 0577-6686

Journal of Mechanical Engineering ›› 2021, Vol. 57 ›› Issue (21): 220-233.doi: 10.3901/JME.2021.21.220

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Recent Progress on Manufacturing Technologies in Layer-by-layer Mode for the Fabrication of Polymer-based Surface Microstructures

WANG Yancheng1,2, LIU Jiawei2, PAN Hemin2, MEI Deqing1,2   

  1. 1. State Key Laboratory of Fluid Power & Mechatronic Systems, Zhejiang University, Hangzhou 310027;
    2. Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, Zhejiang University, Hangzhou 310027
  • Received:2021-04-20 Revised:2021-08-18 Online:2021-11-05 Published:2021-12-28

Abstract: Polymer-based surface microstructures have been widely utilized in soft robotic, flexible electronics, bionic machinery, biomedical, tissue engineering and other fields. The applications of layer-by-layer manufacturing technologies to fabricate polymer-based surface microstructures can solve the problems of traditional micro-imprinting, lithography, point-by-point and line-by-line mode manufacturing processes, such as long processing cycles, low efficiency, and difficulty in demolding large-surfaced microstructures. The development of the manufacturing methods in layer-by-layer mode for polymer-based microstructures becomes the hot topic of advanced manufacturing technology. Firstly, the commonly used polymer-based surface microstructures and their manufacturing materials are presented. Then, the recent progress of lithography, nano-imprinting, digital light processing based 3D printing, energy field-assisted manufacturing, self-assembly technologies are studied, including the manufacturing principle, fabrication process and their typical applications. Finally, the development trends of polymer-based surface microstructure design, fabrication, and applications are summarized and forecasted, and future development trends of polymer-based surface microstructures manufacturing technologies are concluded.

Key words: surface microstructure, layer-by-layer, projection 3D printing, energy field-assisted manufacturing, self-assembly technology

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