Manufacturing method of field emission element having carbon nanotubes
US7993180B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Nov 10, 2009 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Nov 10, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2201/30469
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for manufacturing a field emission element, the method includes providing one supporting member and wrapping a carbon nanotube (CNT) film around an outer surface of the supporting member at least once. The CNT film includes a plurality of bundles of carbon nanotubes connected in series.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.