Field emission device having preformed emitters
US5019003A · kind A · utility
63Cited by
23References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 1989 |
| Grant date | May 28, 1991 |
| Priority date | — |
| Expiry date | Sep 29, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2201/30403
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A field emitting device having a plurality of preformed emitter objects. The emitter objects include sharp geometric discontinuities, and a significant number of these geometric discontinuities are oriented in a way that supports desired field emission activity. Field emission devices built with such emitters can be utilized to provide a flat display screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.