Method of producing electrically conductive metal composite yarn having increased yield strength, composite yarn produced by the method and embroidered circuit produced using the composite yarn
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United States of America Patent
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Jul 12, 2016
Grant Date -
May 26, 2016
app pub date -
Jun 4, 2013
filing date -
Apr 23, 2013
priority date (Note) -
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Abstract
Provided are a method of producing an electrically conductive metal composite yarn applicable to a smart textile in which electrical, electronic and IT technologies are combined with an electronic circuit technology using fiber, an electrically conductive metal composite yarn produced by the method, and an embroidered circuit produced using the electrically conductive metal composite yarn, the method including: a first process of producing a covered yarn by wrapping a conductive yarn around a surface of a yarn; a second process of producing a twisted covered-yarn by additionally twisting the covered yarn produced through the first process; and a third process of producing a reinforced plied-yarn by wrapping a yarn around a surface of multiple strands of the twisted covered-yarn in a covered state to increase yield strength of the conductive yarn.
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