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Continuous fiber of single-wall carbon nanotubes

  • US 7,097,820 B2
  • Filed: 12/21/2001
  • Issued: 08/29/2006
  • Est. Priority Date: 08/08/1996
  • Status: Expired due to Fees
First Claim
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1. A continuous carbon fiber comprising single-wall carbon nanotubes in substantially parallel orientation, wherein a substantial portion of the single-wall carbon nanotubes have a homogeneous characteristic selected from the group consisting of lengths, diameters, helicities and combinations thereof and having a composite structure comprising:

  • a) a first plurality of single-wall carbon nanotubes in a first region having a first homogeneous characteristic, wherein the first homogeneous characteristic is selected from the group consisting of lengths, diameters, helicities and combinations thereof;

    b) a second plurality of single-wall carbon nanotubes in a second region having a second homogeneous characteristic, wherein the second homogeneous characteristic is selected from the group consisting of lengths, diameters, helicities and combinations thereof; and

    c) wherein(i) the first plurality of single-wall carbon nanotubes is different from the second plurality of single-wall carbon nanotubes and(ii) the first homogeneous characteristic is different from the second homogeneous characteristic.

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