Ultrafast Science / 2022 / Article / Fig 33

Review Article

Nature-Inspired Superwettability Achieved by Femtosecond Lasers

Figure 33

Flexible circuit prepared based on the liquid-metal pattern on the femtosecond laser-textured PDMS substrate. (a) Laser-induced microstructure on PDMS substrate. (b) Wettability of liquid metal droplet on the laser-structured surface. (c) Preparation of liquid-metal pattern on the laser-textured surface. (d) Different liquid-metal patterns. (e, f) Flexible microheater for heating. (g, h) Flexible microstrip patch antenna with a working frequency of 2.6 GHz. Reproduced from [214] with the permission.