Carbon nanotube (CNT) extrusion methods and CNT wire and...

Details Carbon nanotube (CNT) extrusion methods and CNT wire and... Carbon nanotube (CNT) extrusion methods and CNT wire and...

2007-05-31

2010-11-16

Lund, Jeffrie R (Department: 1716)

Coating apparatus

Gas or vapor deposition

Work support

C118S715000, C118S718000

Reexamination Certificate

active

07833355

ABSTRACT:
A carbon nanotube (CNT) extrusion system includes a carbon source, an extrusion die having a baseplate having a plurality of die sets, each die set has a plurality of through-holes in fluid communication with the carbon source and a corresponding plurality of template tubes connected at one end to the baseplate and coaxial with the through-holes, each template tube includes a catalyst for forming a CNT structure in combination with the carbon source. An oscillating mechanism operatively associated with the free end of each template tube axially oscillates the template tubes to alternately form and release the CNT structure within each template tube in a continuous manner. The oscillating mechanism can be an alternating electric field or magnetic field applied to the template tubes, the frequency of the electric or magnetic field being synchronized with a formation rate of the CNT within the template tubes.

REFERENCES:
patent: 6183714 (2001-02-01), Smalley et al.
patent: 2005/0081983 (2005-04-01), Nakayama et al.
patent: 2008/0061477 (2008-03-01), Capizzo

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