A complete guide to capacitive touch sensors
Chapter 4:
Stackups and layouts of capacitive touch sensors
About this chapter
Capacitive touch sensors consist of layers of materials and arranged in what is called a stackup. In this chapter, we will present the major categories of said materials and examine common stackups for certain applications. We will compare different stackups in terms of weight, thickness and strength.
The structure of the touch sensor is also categorized based on the position of the electrodes with respect to the screen. The basic technologies used are analyzed.
Finally, we discuss the layout of capacitive touch sensors and offer examples of the most popular ones for zero and one dimensional capacitive touch sensors.
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Credits
Written by the Fieldscale team with content from Charalambos Mylonas, along with contributions from Giorgos Papazoglou.