Peratech's QTC Clear is a force sensing material can be used to create Force Sensitive touch screens that can replace current Resistive touch screen technologies or enhance Capacitive ones to create solutions with more features such as 3D input. The QTC Clear layer is 6-8 microns thick with a transparency that is similar to the existing touch screen technologies. This is sandwiched between two layers of Indium Tin Oxide, which is sandwiched between two hard sheets, typically glass. It is sensitive that it can detect deflections of a few microns so that the top surface can be rigid and robust, e.g. glass, unlike current Resistive designs that have to be soft enough to deform easily making them susceptible to damage.
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