Aiming at the problems that traditional manufacturing processes for fabricating flexible piezoresistive tactile sensors are characterized by complex procedures

long manufacturing cycles

insufficient sensitivity

and slow response speeds

aerosol jet printing(AJP)technology is utilized to fabricate flexible piezoresistive tactile sensors with a micro square column structure.The influence rule of aerosol jet printing process parameters on the quality of printed lines is studied.Through testing

the sensitivity of the sensor reaches 49.89×10

-2

N

-1

within the pressure range of 0~1.2N.The response time and re

covery time of the fabricated sensor are 41.09ms and 41.14ms

respectively.It exhibits good stability even after more than 1000 pressure cycle tests.The temperature detection sensitivity is 22.19×10

-4

/℃ within the range of 25~100℃

with a linearity of 99.86%.The prepared flexible piezoresistive tactile sensor

which possesses skinlike characteristics

can detect pressure and temperature

showing good application prospects in the fields of human health monitoring

flexible wearable electronic devices

and intelligent robotics.