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US 9,958,999 B2Granted
Capacitive touch sensor with Z-shaped electrode pattern
Assignee3M Innovative Properties Company
InventorsChi-Fan Chen, Roger W. Barton, Matthew H. Frey
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Abstract
Designs for touch sensor circuitry and touch sensor incorporating such circuitry are described. More particularly, touch sensor circuitry including multiple elongate electrodes that are interleaved with one another is described.
Claims20
A first array of elongate, electrically isolated conductive electrodes disposed on a first major surface of a first substrate for use in a touch sensor, comprising:
- a first electrode;
- a second electrode;
- and
- a third electrode, wherein
- each of the first electrode, second electrode, and third electrode comprises a proximate end and a distal end,
- each of the first electrode, second electrode, and third electrode has a z-shape, wherein the z-shape includes a first elongate section, second elongate section, and a third elongate section, and wherein the elongate sections are oriented parallel to one another,
- the first electrode is interleaved with the second electrode, and
- the second electrode is interleaved with the third electrode.
5 more elements
Dependencies are inferred from the claim text.