The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7868531 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 11, 2011

Filed:

May. 05, 2006
Applicant:

Kangning Liang, Bartlett, TN (US);

Inventor:

Kangning Liang, Bartlett, TN (US);

Assignee:

Brother International Corporation, Bridgewater, NJ (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for preparation of carbon nanotubes (CNTs) bundles for use in field emission devices (FEDs) includes forming a plurality of carbon nanotubes on a substrate, contacting the carbon nanotubes with a polymer composition comprising a polymer and a solvent, and removing at least a portion of the solvent so as to form a solid composition from the carbon nanotubes and the polymer to form a carbon nanotube bundle having a base with a periphery, and an elevated central region where, along the periphery of the base, the carbon nanotubes slope toward the central region.


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Liang, Kangning. (2011). Carbon nanotube arrays for field electron emission (U.S. Patent No. 7868531). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7868531

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