Fig. 1
From: Ultra-Sensitive Strain Sensor Based on Flexible Poly(vinylidene fluoride) Piezoelectric Film

a Schematic diagram of the sensor array. b Physical picture of the ultimate device
From: Ultra-Sensitive Strain Sensor Based on Flexible Poly(vinylidene fluoride) Piezoelectric Film
a Schematic diagram of the sensor array. b Physical picture of the ultimate device