Fig. 2: Manufacturing process for the assembly of the flexible sensor. | Microsystems & Nanoengineering

Fig. 2: Manufacturing process for the assembly of the flexible sensor.

From: Direct extraction of respiratory information from pulse waves using a finger-inspired flexible pressure sensor system

Fig. 2

a Overview of the sensor preparation process. b Optical and SEM images displaying the fingerprint-like ring-shaped structure on the underlying PDMS film. c SEM image of the electrode layer. d SEM image of the sensitive layer. e Optical image of the sensor, highlighting its resilience to stretching, twisting, and protrusion

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