Dielectric electron emitter comprising a polycrystalline substance
US7816847B2 · kind B2 · utility
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3References
24Claims
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Key dates
| Filing date | Jul 13, 2005 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | May 18, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2329/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dielectric device of higher performance is provided. An electron emitter, to which the dielectric device is applied is provided with: an emitter including a dielectric; and an upper electrode and a lower electrode to which drive voltage is applied in order to emit electrons. The emitter is formed by the aerosol deposition method or the sol impregnation method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.