Patent · US Active

Method for growing carbon nanotubes

US9559308B1 · kind B1 · utility

0Cited by

1References

20Claims

0Family size

Assignee

NORTHROP GRUMMAN SYSTEMS CORPORATION · US

Inventors

Melody E. Grubbs · Baltimore, US
Andre Berghmans · Elkton, US
Matthew J. Walker · Glen Burnie, US
Monica P. Lilly · Frederick, US

Key dates

Filing date	Jul 15, 2015
Grant date	Jan 31, 2017
Priority date	—
Expiry date	Jul 15, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2924/13061
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method of forming carbon nanotubes (CNTs) is disclosed. The method includes dispersing a plurality of substantially semiconductor pure carbon nanotube (CNT) seeds on a substrate to provide a seeded substrate, ozonating the seeded substrate to remove defects on end faces of the plurality of substantially semiconductor pure CNT seeds, and growing carbon extensions on the end faces of the plurality of substantially semiconductor pure CNTs seeds to form a plurality of substantially pure CNTs.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.