An Improved Theory for Designing and Numerically Calibrating Circular Touch Mode Capacitive Pressure Sensors

Xiao-Ting He1,2, Xin Wang1, Fei-Yan Li1

  • 1School of Civil Engineering, Chongqing University, Chongqing 400045, China.

PubMed

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Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

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.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
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