Electron emission device with specific island-like regions
US6285123A · kind A · utility
44Cited by
0References
27Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 10, 1999 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Sep 10, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J31/127
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electron emission device includes an electron-supply layer formed of metal or semiconductor; an insulator layer formed on the electron-supply layer; and a thin-film metal electrode formed on the insulator layer, whereby electrons are emitted when an electric field is applied between the electron-supply layer and the thin-film metal electrode. The insulator layer and the thin-film metal electrode have at least one island-like region where the thicknesses of the insulator layer and the thin-film metal electrode gradually decrease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.