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Touch screen sensor and patterned substrate having overlaid micropatterns with low visibility

  • US 8,970,515 B2
  • Filed: 02/24/2010
  • Issued: 03/03/2015
  • Est. Priority Date: 02/26/2009
  • Status: Expired due to Fees
First Claim
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1. A touch screen sensor, comprising:

  • a visible light transparent substrate; and

    at least two overlaid conductive mesh micropatterns with two dimensional contiguous meshes comprising;

    a first conductive mesh micropattern comprising linear traces defining a first open mesh of a repeating cell geometry disposed on or in the visible light transparent substrate, anda second conductive mesh micropattern comprising linear traces defining a second open mesh of a repeating cell geometry electrically isolated from the first conductive mesh micropattern oriented at a bias angle such that at least a portion of the linear traces of the second conductive mesh micropattern are non-parallel to the linear traces of the first conductive mesh micropattern; and

    wherein the second conductive mesh micropattern overlays the first conductive mesh micropattern such that at least a portion of the second conductive mesh micropattern has a different cell geometry from the cell geometry of the first conductive mesh micropattern;

    orat least a portion of the second conductive mesh micropattern has a different cell dimension from the cell dimension of the first conductive mesh micropattern;

    or a combination thereof.

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