Single-Layer Sensor Stack

Abstract

In one embodiment, an apparatus includes an adhesive layer between a cover panel and a substrate. The substrate has drive or sense electrodes of a touch sensor disposed on it. The drive or sense electrodes are made of a conductive mesh of conductive material including metal.

1 . An apparatus comprising:
 an adhesive layer between a cover panel and a substrate; and   the substrate, with drive or sense electrodes of a touch sensor disposed on it, the drive or sense electrodes being made of a conductive mesh of conductive material comprising metal.   
     
     
         2 . The apparatus of  claim 1 , wherein the conductive mesh comprises a plurality of mesh segments, each of the mesh segments having a width of approximately 10 μm. 
     
     
         3 . The apparatus of  claim 1 , wherein each of the mesh segments is substantially sinusoidal. 
     
     
         4 . The apparatus of  claim 1 , further comprising a display separated from the substrate by a dielectric layer. 
     
     
         5 . The apparatus of  claim 4 , wherein the dielectric layer comprises an air gap. 
     
     
         6 . The apparatus of  claim 4 , wherein the dielectric layer comprises an adhesive layer. 
     
     
         7 . The apparatus of  claim 1 , wherein the substrate is polyethylene terephthalate (PET), glass, or polycarbonate (PC). 
     
     
         8 . The apparatus of  claim 1 , wherein the adhesive layer is an optically clear adhesive (OCA). 
     
     
         9 . An device comprising:
 a cover panel;   an adhesive layer between the cover panel and a substrate;   the substrate, with drive or sense electrodes of a touch sensor disposed on it, the drive or sense electrodes being made of a conductive mesh of conductive material comprising metal; and   one or more computer-readable non-transitory storage media embodying logic that is configured when executed to control the touch sensor.   
     
     
         10 . The device of  claim 9 , wherein the conductive mesh comprises a plurality of mesh segments, each of the mesh segments having a width of approximately 10 μm. 
     
     
         11 . The device of  claim 9 , wherein each of the mesh segments is substantially sinusoidal. 
     
     
         12 . The device of  claim 9 , further comprising a display separated from the substrate by a dielectric layer. 
     
     
         13 . The device of  claim 12 , wherein the dielectric layer comprises an air gap. 
     
     
         14 . The device of  claim 12 , wherein the dielectric layer comprises an adhesive layer. 
     
     
         15 . The device of  claim 9 , wherein the substrate is polyethylene terephthalate (PET), glass, or polycarbonate (PC). 
     
     
         16 . The device of  claim 9 , wherein the adhesive layer is an optically clear adhesive (OCA). 
     
     
         17 . An apparatus comprising:
 an adhesive layer between a cover panel and a substrate;   the substrate, with electrodes of a touch sensor disposed on it, the electrodes being made of a conductive mesh of conductive material comprising metal; and   a display separated from the substrate by an adhesive layer.   
     
     
         18 . The apparatus of  claim 17 , wherein the substrate is polyethylene terephthalate (PET), glass, or polycarbonate (PC). 
     
     
         19 . The apparatus of  claim 17 , wherein the conductive mesh comprises a plurality of mesh segments, each of the mesh segments having a width of approximately 10 μm. 
     
     
         20 . The apparatus of  claim 17 , wherein the adhesive layer is an optically clear adhesive (OCA).