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Resistive touch pad with multiple regions of sensitivity

  • US 20050212773A1
  • Filed: 03/25/2004
  • Published: 09/29/2005
  • Est. Priority Date: 03/25/2004
  • Status: Active Grant
First Claim
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1. A touch pad for a data processing system, comprising:

  • a first surface and an electrically conductive first thin film above the first film;

    a plurality of electrically non-conductive spacer dots above the first thin film;

    a second electrically conductive thin film above the plurality of spacer dots;

    a second film above the second thin film;

    wherein the density of spacer dots above the first thin film is non-uniform.

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