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Method of making a transparent touch screen switch assembly

  • US 5,062,198 A
  • Filed: 05/08/1990
  • Issued: 11/05/1991
  • Est. Priority Date: 05/08/1990
  • Status: Expired due to Term
First Claim
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1. A method for making a touch-sensitive switch assembly comprising:

  • forming a plurality of conductive row strips on a side surface of an insulating substrate, with each pair of adjacent row strips being separated by a longitudinally extending row channel, respectively;

    forming a plurality of conductive column strips on a side surface of an insulating substrate, with each pair of adjacent column strips being separated by a longitudinally extending column, respectively;

    filling each row channel with an insulating deposit until the deposit is enlarged slightly out of the channel, thereby forming a row spacer strip;

    filling each column channel with an insulating deposit until the deposit is enlarged slightly out of the channel, thereby forming a column spacer strip; and

    ,mounting the first insulating substrate onto the second insulating substrate with the row conductors extending transversely with respect to the column conductors and with the row spacer strips engaging the column spacer strips, thereby defining an air gap between the row conductors and the column conductors;

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