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Linearized touch sensor having protective coating

  • US 20070126707A1
  • Filed: 12/02/2005
  • Published: 06/07/2007
  • Est. Priority Date: 12/02/2005
  • Status: Abandoned Application
First Claim
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1. A touch sensor comprising:

  • an electrically resistive layer covering a touch sensitive area;

    an electrically insulative layer disposed on the electrically resistive layer, the insulative layer having open areas, each of the open areas exposing a portion of the resistive layer; and

    a plurality of electrically conductive segments disposed on the insulative layer, each of the conductive segments making electrical contact with the resistive layer through at least one of the open areas in the insulative layer, wherein the plurality of electrically conductive segments improves linearity of the touch sensitive area.

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