Electron emitting source and manufacturing method of electron emitting source
US8456076B2 · kind B2 · utility
2Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2008 |
| Grant date | Jun 4, 2013 |
| Priority date | — |
| Expiry date | Jul 13, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2237/06375
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electron emitting source capable of preventing increase in an inter-terminal resistance and a manufacturing method of the electron emitting source. The electron emitting source comprises an electron emitting chip made of rare-earth hexaboride, and a heater constituted by a carbonaceous member for holding and heating the electron emitting chip, wherein an electrically conductive substance is provided in a gap between the electron emitting chip and the heater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.