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Projected Capacitive Touch Screen

Authored on: Mar 1, 2010 by Gary L. Barrett, Ryomei Omote

Technical Paper

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The advent of the iPhone has ushered in a seismic change in the touch screen business. The technology, called projected capacitive touch, is the first choice for most touch products now in development. The technology is not just Apple-trendy but incorporates the best of the competing touch technologies. This white paper examines virtually every aspect of projected capacitive technology including:
  • How Capacitance Works
  • Touch Panel Construction
  • Touch Screen Conductor Patterns
  • Electronic Designs
  • Controller Firmware
  • Projected Capacitive Suppliers


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