Capacitive Touch Screen->sensor devices

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Capacitive Touch Screen

Category :

Electronic and electrical->Passive parts->sensor devices

Product Specification

Country	TW
Payment Term	TT in Advance

Product Detail

Projected Capacitive Screens
Standard Projected Capacitive touch screens consist of a top glass layer. An Optically Clear Adhesive (OCA) is applied to the back of the top surface material. Within this OCA, microscopic conductive filaments are imbedded in both the X and Y coordinates. This combination of OCA and filaments is then protected with a backer layer of polyester which adheres directly to the OCA. The wire filaments generate a capacitive field which passes through the glass and extends into the air immediately above the glass. A touch event occurs when a probe interferes with this projected field. This change in capacitance is detected through the filaments and relayed to the controller which interprets the X & Y coordinates of the event. Customizations with other top layer substrates such as polycarbonate or other materials may be designed.


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