Table 5.

Observations of recent developments in Tactile Sensors

Materials	Sensitivity	Applications
ZnO NW with Cellulose paper [77]	16.1 mV/g	Vibration sensing in Smart packaging
Poly propylene-based Sensor array (PASTA) [90]	0.3 V/N	Touch sensors
P(VDF-TrFE) and Silver electrodes screen printed [91]	≈0.05 V/N	Touch sensor array
PVDF film with Dome shaped structure [89]	8.83 × 10${}^{-3}$ V/mN	Touch sensor array
PVDF film + OCMFET [87]	Can detect Pressure as low as 300 Pa	Touch sensor for e-skin