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Electrically conductive metal composite embroidery yarn and embroidered circuit using thereof

  • US 8,505,474 B2
  • Filed: 07/30/2008
  • Issued: 08/13/2013
  • Est. Priority Date: 07/31/2007
  • Status: Active Grant
First Claim
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1. A method for producing conductive metal composite embroidery yarn, comprising:

  • a first process in which one or more metal filaments are wound in a covered state around the surface of fiber yarn to have a plurality of twists per meter;

    a second process in which the fiber yarn wound with metal filaments in the first process is twisted in S direction to have a plurality of twists per meter; and

    a third process in which two or more of the twisted yarns in S direction are plied in Z direction to have a plurality of twists per meter,wherein the metal filament is insulated.

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