CPC G06F 21/35 (2013.01) [G06F 3/044 (2013.01); G06K 19/0723 (2013.01); G06K 19/07775 (2013.01); G07C 9/00182 (2013.01); H04B 1/3833 (2013.01); B01L 2300/168 (2013.01); G06F 2203/04103 (2013.01)] | 9 Claims |
1. A method for forming a touch screen comprising:
applying a coating including a binder, solvent, pigment and a plurality of pressure sensitive microchips, each pressure sensitive microchip including a pressure sensitive capacitor on a semiconductor substrate, to a substrate surface for a touch screen;
projecting an image for a touch screen interface on the substrate surface for the touch screen;
calibrating the pressure sensitive microchips to features of the image for the touch screen interface; and
activating one of the features of the image by pressure activating the pressure sensitive microchips that are calibrated to that feature.
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