3D printing soft microactuator structure
This protocol is extracted from research article:
3D Printing Microactuators for Soft Microrobots
Soft Robot, Feb 15, 2021; DOI: 10.1089/soro.2019.0129

The starting substrate was a thin layer of gold (40 nm) sputtered (Dynavac Magnetron) over a cleaned glass slide to form a conductive layer. A single layer of UV curable gel was printed using a custom extrusion 3D printer to form the body and arms of the microactuator. Subsequently, additional layers were printed over the body to control rigidity of different parts of the actuator, allowing for the controlled motion of the more flexible arms. Afterward, the printed structure was cured under a UV source of intensity 19 W/cm2 for 60 s (Dymax BlueWave 75).

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