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CAPACITIVE TOUCH SENSOR WITH CONDUCTIVE TRACE LINES IN BONDING REGION

  • US 20090040191A1
  • Filed: 08/08/2007
  • Published: 02/12/2009
  • Est. Priority Date: 08/08/2007
  • Status: Abandoned Application
First Claim
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1. A capacitive touch sensor, comprising:

  • a circuit substrate having a first side and a second side, and having a first plurality of contacts formed within a bonding region on the first side and a first plurality of conductive traces formed over the bonding region on the second side, each of the first plurality of conductive traces ohmically coupled to one of the first plurality of contacts through a first plurality of vias;

    a touch sensor controller, the touch sensor controller coupled to the circuit substrate and coupled to the first plurality of contacts through the first plurality of conductive traces and the first plurality of vias; and

    a sensor substrate, the sensor substrate, including a second plurality of contacts and a plurality of sensing electrodes configured to detect an object proximate to the sensing electrodes capacitively to facilitate detection of the object by the capacitive touch sensor controller, the plurality of sensing electrodes coupled to the touch sensor controller through the first plurality of contacts, the first plurality of vias, the first plurality of conductive traces, and the second plurality of contacts;

    wherein at least one of the circuit substrate and sensor substrate is flexible.

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