Segmented electron emission device
US5285129A · kind A · utility
49Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1991 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Dec 11, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J1/316
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multiple electron emission device having a substrate, a pair of opposed electrodes disposed on the substrate, and an electron emission section formed with grains between the electrodes. Selected portions of the electron emission section are coated with a conductor, semiconductor or insulating material by mask deposition or the like so as to divide the electron emission section into a dotted or linear array of electron emitting portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.