Fig. 4From: Ultrafine and crosstalk-free 2D tactile sensor by using active-matrix thin-film transistor arrayResult of the static pressure by the soft toy balls. a Photo of the rubber and foam balls pressed against the sensor. The subscripts correspond to each image. Tactile distribution image of the (b) rubber ball, (c) foam basketball, (d) foam tennis ball, and (e) foam baseball. Schematics of the contact modes of the (f) rubber and (g) foam balls with flat surfacesBack to article page