Integration of touch sensors with directly mounted electronic components
First Claim
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1. A touch sensor assembly comprising:
- a touch sensor overlay comprising a plurality of touch sensitive elements and a plurality of conductors connected to the touch sensitive elements arranged on the touch sensor periphery; and
a frame subassembly affixed to the touch sensor periphery, the frame subassembly comprising a frame and one or more circuit boards held in place by the frame, the one or more circuit boards electrically connected to the plurality of conductors, wherein the circuit boards include circuitry for conditioning signals communicated by the touch sensitive elements due to a touch on the touch sensor overlay.
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Abstract
Disclosed is a touch sensor assembly that includes a touch sensor overlay and one or more circuit boards held in place by a frame. The touch sensor overlay includes a plurality of touch sensitive elements and a plurality of conductors connected to the touch sensitive elements arranged on the touch sensor periphery. The one or more circuit boards are electrically connected to the plurality of conductors on the touch sensor periphery. The circuit boards include circuitry for conditioning signals communicated by the touch sensitive elements due to a touch on the touch sensor overlay. Also disclosed are methods of bonding circuit boards to a touch sensor overlay.
34 Citations
16 Claims
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1. A touch sensor assembly comprising:
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a touch sensor overlay comprising a plurality of touch sensitive elements and a plurality of conductors connected to the touch sensitive elements arranged on the touch sensor periphery; and
a frame subassembly affixed to the touch sensor periphery, the frame subassembly comprising a frame and one or more circuit boards held in place by the frame, the one or more circuit boards electrically connected to the plurality of conductors, wherein the circuit boards include circuitry for conditioning signals communicated by the touch sensitive elements due to a touch on the touch sensor overlay. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of bonding electronics to a touch sensitive overlay comprising the steps of:
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providing a touch sensor comprising a plurality of touch sensitive elements and a plurality of conductors connected to the touch sensitive elements arranged on the touch sensor periphery;
providing one or more circuit boards that include circuitry for conditioning signals communicated by the touch sensitive elements due to a touch on the touch sensor, each circuit board having a plurality of conductive contact areas;
dispensing an insulative adhesive on the touch sensor periphery and forming apertures in the adhesive to individually expose the plurality of conductors on the touch sensor;
placing a conductive material on the plurality of conductors; and
positioning the one or more circuit boards on the touch sensor periphery so that the conductive material electrically connects each of the conductive contact areas to one of the plurality of conductors, and the adhesive bonds the circuit board to the touch sensor. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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Specification