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Touch-sensitive screen for use as human-machine interface in vending machine for goods, has capacitive touch key manufactured as surface electrode on transparent printed circuit board using printing technology
Touch-sensitive screen for use as human-machine interface in vending machine for goods, has capacitive touch key manufactured as surface electrode on transparent printed circuit board using printing technology
The screen has a capacitive touch key that is manufactured as a surface electrode (8) on a transparent printed circuit board using printing technology. The transparent printed circuit board is made of transparent material such as glass, Makrolon(RTM: Polycarbonate) or Plexiglas(RTM: Polymethyl metacrylate). The transparent board is positioned before a screen (2). The surface electrodes are provided on the rear side of the transparent printed circuit board with a transparent conductive lacquer such as Orgacon(RTM: Polyethylene dioxythiophene).
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