Fig. 3: Stretching test of the 3D graphene-based spiral sensor. | npj Flexible Electronics

Fig. 3: Stretching test of the 3D graphene-based spiral sensor.

From: A smart ball sensor fabricated by laser kirigami of graphene for personalized long-term grip strength monitoring

Fig. 3: Stretching test of the 3D graphene-based spiral sensor.

It shows that the 3D graphene-based spiral sensor prepared by stretching the 2D graphene-based spiral sensor fabricated by laser kirigami. The resistance changes with the time of a continuous stretching test in a stretching cycle. The maximum stretching height reaches 21 cm. Laser speed 1%, power 0.3%, PPI 400.

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