Carbon-based composite particle for electron emission device, and method for preparing
US8057596B2 · kind B2 · utility
1Cited by
15References
17Claims
0Family size
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Key dates
| Filing date | Dec 12, 2007 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Sep 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2201/30446
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a carbon-based composite particle for an electron emission source comprising: a particle of a material selected from the group consisting of metals, oxides, and ceramic materials; and a carbon-based material such as a carbon nanotube which is partially buried inside of the particle and which partially protrudes from the surface of the particle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.