Manufacturing apparatus and method for carbon nanotube

Details Manufacturing apparatus and method for carbon nanotube Manufacturing apparatus and method for carbon nanotube

2006-11-07

2006-11-07

McDonald, Rodney G. (Department: 1753)

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C422S186030, C422S186210, C422S186220

Reexamination Certificate

active

07132039

ABSTRACT:
An apparatus for manufacturing a carbon nanotube includes: at least two electrodes whose tips oppose to each other; a power supply which applies a voltage between the electrodes so as to generate discharge plasma in a discharge area between the electrodes; a plurality of magnets which generates at least one of a magnetic field having lines of magnetic force in multiple directions or a magnetic field having a component in parallel with the direction of a discharge current in the generation area of the discharge plasma; and a magnet cooling unit which cools the magnets.

REFERENCES:
patent: 2002/0179428 (2002-12-01), Anazawa et al.
patent: 8-48510 (1996-02-01), None
Yokomichi et al., “Effects of high magnetic field on the morphology of carbon nanotubes and selective synthesis of fullereness”, Mar. 29, 1999, Applied Physics Letters, vol. 74, No. 13, p. 1827-1829.
Anazawa et al., High-purity carbon nanotubes synthesis method by an arc discharging in magnetic field, Applied Physics Letters, vol. 81, No. 4, pp. 739-741, Jul. 2002.

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