Patterned substrates with non-linear conductor traces
First Claim
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1. An article comprising:
- a substrate having opposing first and second surfaces; and
a conductor micropattern disposed on the first surface of the substrate, the conductor micropattern comprising a plurality of traces defining a plurality of cells, each trace connecting two adjacent vertices in a cell, each trace being non-linear between the two adjacent vertices,wherein the conductor micropattern has an open area fraction greater than 80% and a uniform distribution of trace orientation for the micropattern; and
wherein each of the traces has a trace width from 0.5 to 10 micrometer.
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Abstract
The present disclosure provides an article having (a) a substrate having opposing first and second surfaces; and (b) a conductor micropattern disposed on the first surface of the substrate. The conductor micropattern has a plurality of traces defining a plurality of open area cells. The conductor micropattern has an open area fraction greater than 80% and a uniform distribution of trace orientation. Each of the traces is non-linear and has a trace width from 0.5 to 10 micrometer. The articles are useful in devices such as displays, in particular, touch screen displays useful for mobile hand held devices, tablets and computers. They also find use in antennas and for EMI shields.
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Citations
28 Claims
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1. An article comprising:
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a substrate having opposing first and second surfaces; and a conductor micropattern disposed on the first surface of the substrate, the conductor micropattern comprising a plurality of traces defining a plurality of cells, each trace connecting two adjacent vertices in a cell, each trace being non-linear between the two adjacent vertices, wherein the conductor micropattern has an open area fraction greater than 80% and a uniform distribution of trace orientation for the micropattern; and wherein each of the traces has a trace width from 0.5 to 10 micrometer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A touch screen sensor comprising:
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first and second substrates, each substrate having opposing first and second surfaces; and a conductor micropattern disposed on the first surface of each of the first and second substrates, both conductor micropatterns comprising a plurality of traces defining a plurality of open area cells, each trace connecting two adjacent vertices in a cell, each trace being non-linear between the two adjacent vertices, wherein each of the conductor micropatterns has an open area fraction greater than 80% and a uniform distribution of trace orientation for the micropattern; wherein each of the traces has a trace width from 0.5 to 10 micrometer; and wherein the conductor micropatterns of the first and second substrates are electrically isolated from one another. - View Dependent Claims (24, 25, 26, 27, 28)
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Specification