Projected Capacitive Touch

Offers readers the first book on the use of projected capacitive (PCAP) touch technology for the touch screen

Explains not only how PCAP touch works, but also addresses the implementation details an engineer needs when incorporating PCAP into their product

Includes explanations of different cover lens materials, cover lens coatings, software drivers, touch testing, and many other areas of general knowledge that would be useful to a design engineer

Autorentext

Tony Gray is Director of PCAP Touch Technology at Dawar Technologies.

Inhalt

Introduction.- Overview of Touch Technologies.- Projected Capacitive Touch Basics.- Self Capacitance.- An Electrostatic Analysis of PCAP.- Capacitance Measurement.- Transparent Conductors.- Electrode Patterns.- Patterning Techniques.- Perimeter Traces and Tails.- Sensor Stackups.- LCD Integration.- Cover Lenses, Films, and Coatings.- Touch Controllers.- Electrical Noise.- Stylus and Gloves.- Water Immunity.- Palm and Touch Suppression.- PCAP Buttons.- Communication Interfaces, Operating Systems, and Drivers.- Gesture Engines.- Automated Testing.