Electron-emmiting material and manufacturing method therefor
US7351443B2 · kind B2 · utility
4Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2005 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | May 23, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2201/30446
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides an emissive material with excellent electron emission characteristics. In particular, the present invention relates to a method for manufacturing an emissive material consisting of oriented graphite, having a step of obtaining an oriented graphite comprising a second component and having pores on the inside by heat treating a polymer film in the presence of a second, non-carbon component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.