Linear electron source, evaporator using linear electron source, and applications of electron sources
US8294115B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2008 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Mar 25, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J37/3053
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A linear plasma electron source is provided. The linear plasma electron source includes a housing acting as a first electrode, the housing having side walls a slit opening in the housing for trespassing of a electron beam, the slit opening defining a length direction of the source, a second electrode being arranged within the housing and having a first side facing the slit opening, the first side being spaced from the slit opening by a first distance, wherein the length of the electron source in the length direction is at least 5 times the first distance, and at least one gas supply for providing a gas into the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.