Patent · US Active

Cathode element for a microfocus x-ray tube

US9601300B2 · kind B2 · utility

0Cited by

6References

13Claims

0Family size

Assignee

GE Sensing & Inspection Technologies GmbH · DE

Inventors

Eberhard Neuser · Wunstorf, DE
Andreas Schmitt · Gießen, DE
Wolfgang Sperner · Wunstorf, DE

Key dates

Filing date	Apr 9, 2010
Grant date	Mar 21, 2017
Priority date	—
Expiry date	Jun 19, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH01J35/147
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A cathode element for a microfocus x-ray tube includes a heatable filament formed of a wire for thermionic emission of electrons for generating an electron beam. The filament, in a source area of the electron beam, has an elongate extension in two directions perpendicular to the electron beam.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.