Method and design for electrical stress mitigation in high voltage insulators in X-ray tubes
US7020244B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2004 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Dec 17, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J35/064
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In accordance with one embodiment, the present technique provides an X-ray tube. The X-ray tube includes an anode assembly configured to emit X-ray beams and a cathode assembly configured to emit electrons towards the anode assembly. The cathode assembly includes an insulator and a cathode post. The insulator includes a side surface, wherein the side surface includes a recessed portion. The cathode post includes a hollow interior region having an interior surface, wherein the interior surface is configured to engage with the side surface of the insulator. The cathode post may also include a foot portion that extends away from the interior surface at the end of the cathode post. The cathode post adjacent to the recessed portion of the insulator is configured to shield a triple point to reduce electrical stresses on the triple point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.