Spacer elements for interactive information devices and method for making same

  • US 6,627,918 B2
  • Filed: 09/17/2001
  • Issued: 09/30/2003
  • Est. Priority Date: 09/22/2000
  • Status: Expired due to Fees
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First Claim
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1. An interactive information device comprising:

  • at least one rigid, transparent substrate;

    a first transparent, electrically conductive layer supported by a surface of said rigid substrate;

    a flexible transparent substrate at least partially aligned with said rigid substrate, said flexible substrate having a surface which faces said surface of said rigid substrate, and a second transparent, electrically conductive layer on said surface of said flexible substrate;

    said flexible substrate being spaced from said rigid substrate to provide a gap between said conductive layers;

    a plurality of insulating spacer members on at least one of said electrically conductive layers whereby said flexible substrate may be flexed by pressing to engage said electrically conductive layers; and

    wherein said spacer members comprise polymeric material including at least some inorganic material;

    said inorganic material comprising nanoscale particles.

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