Fabrication and motion mechanism of the magnetically actuated shaftless propeller-like millirobot. (IMAGE)

Beijing Institute of Technology Press Co., Ltd

Fabrication and motion mechanism of the magnetically actuated shaftless propeller-like millirobot.

Caption

 (A) Fabrication process of the shaftless propeller-like millirobot, including positive structures’ fabrication by 2-photon polymerization (2PP), negative mold fabrication and casting process of the robot, demolding of different parts and magnetization of the magnetic part, and assembly of the individual parts of the robot. Scale bar: 2 mm. (B) Rolling mode actuated by a rotating field B. (C) Propelling mode in water. (D) Tumbling mode on the ground. ITO, indium tin oxide; PDMS, polydimethylsiloxane.

Credit

Yaozhen Hou, Beijing Institute of Technology.

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