Fig. 7: Strategies for improving pressure sensitivity in capacitive pressure sensors. | npj Biosensing

Fig. 7: Strategies for improving pressure sensitivity in capacitive pressure sensors.

From: Balancing sensitivity and integration in capacitive pressure sensors for textile-based health monitoring

Fig. 7

Sensitivity enhancement in pressure sensors can be achieved through multiple approaches. Structural engineering strategies include the introduction of microstructures, such as micro-pyramids37,38, microcones45,46,74, spacers or air gap engineering51 foams43,51,52,54, gradient microstructures59, multilayer designs (such as double layers)42, and bioinspired structures62,63, to increase deformability and enhance pressure sensitivity, among other structural arrangements.

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