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Related Concept Videos

Tactile and Chemical Senses01:27

Tactile and Chemical Senses

Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex. This...
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Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...
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A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
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Updated: Jun 18, 2026

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors
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Published on: June 23, 2018

Thin-Film Transistor Based Active Taxel for Multimode Tactile Perception and Fused Processing.

Sihao Wu1,2, Zheng Zhou1,2, Aoran Xu1,2

  • 1School of Integrated Circuits, Peking University, Beijing, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|June 17, 2026
PubMed
Summary
This summary is machine-generated.

Researchers developed advanced artificial skin using thin-film transistor (TFT) technology for intelligent robots. This novel active multimode fused (AMF) skin enhances tactile sensing and object recognition, paving the way for fully-wrapped robotic systems.

Keywords:
artificial skinfingerprint recognitionin‐sensor computingmultimode fused perceptionobject classificationtaxelsthin‐film transistors

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Area of Science:

  • Robotics
  • Materials Science
  • Sensor Technology

Background:

  • Human skin serves as a crucial sensory interface, inspiring the development of artificial skin for robots.
  • Thin-film transistor (TFT) technology offers a mature, large-area semiconductor process suitable for artificial skin fabrication.

Purpose of the Study:

  • To develop an active multimode fused (AMF) artificial skin using a standard TFT process for intelligent robots.
  • To create a novel taxel integrating optical and electrostatic capacitive receptors for cross-modal feature extraction.

Main Methods:

  • Fabrication of a 10x10 AMF artificial skin sample using TFT technology.
  • Integration of optical and electrostatic capacitive receptors within a 2T-1C taxel design.
  • Experimental validation using Braille perception and complex fingerprint tasks.

Main Results:

  • The AMF artificial skin achieved high tactile robustness, maintaining 81.7% accuracy in fingerprint tasks with 45% information loss.
  • A fully skin-wrapped dexterous hand demonstrated accurate texture- and shape-dependent object recognition.
  • The system achieved 80% less data movement and 76.6% lower computational cost.

Conclusions:

  • TFT-based artificial skin provides a viable approach for creating embodied intelligent robots with comprehensive tactile sensing.
  • The developed AMF artificial skin enables efficient and robust environmental interaction for robots.
  • This technology advances the development of intelligent robots with human-like sensory capabilities.