Method of forming carbon nanotubes on a carbonaceous body, composite material obtained thereby and electron beam source element using same
US5773834A · kind A · utility
97Cited by
4References
12Claims
0Family size
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Key dates
| Filing date | Feb 12, 1997 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Feb 12, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/951
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composite material is produced by irradiating a surface of a shaped body of a carbonaceous material with an ion beam to form a layer of carbon nanotubes on the surface. The composite material is useful as a cathode of an electron beam source element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.