Portable devices such as a mobile computer is in for a rough life. It doesn´t matter if it is ruggedized military laptops or an industrial hand held computers - if it has to have a touch screen then it needs to be tough! Thrown in the tool bag, grit and grime will attack the surface, when the stylus gets lost any old pointed thing like a pen or screw driver will be substituted, it will get left in the truck through the heat of the day and freezing night but you want the touch screen to last? Then you really need to use an ULTRA glass armoured sensor.
Ultra maintains specific benifits over projected capacitive sensor, and is the best solution for durable and reliable mobile applications. AD Metro can make any Mobile/PDA size from the smallest 3" through to 8.4".