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Surface acoustic wave

Precautions while using Touch Screen Mobile

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Surface acoustic wave

Surface acoustic wave(SAW) technology also usesultrasonicwaves that pass over the touchscreen panel. When the panel is touched, a portion of the wave is absorbed. This change in the ultrasonic waves registers the position of the touch event and sends this information to thecontrollerfor processing. Surface acoustic wave touchscreen panels can be damaged by outside elements. Contaminants on the surface can also interfere with the functionality of the touchscreen


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