Patent · US Active

Device for generating a source current of charge carriers

US10546712B2 · kind B2 · utility

2Cited by

15References

18Claims

0Family size

Assignee

KETEK GmbH · DE

Inventors

Felix Düsberg · Munich, DE
Michael Bachmann · Rutesheim, DE

Key dates

Filing date	Dec 15, 2017
Grant date	Jan 28, 2020
Priority date	—
Expiry date	Jul 18, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH01J2237/0802
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A device for generating a source current of charge carriers by a field emission and a method stabilizing a source current of charge carriers emitted by a field emission element are disclosed. In an embodiment the device includes at least one field emission element from which the charge carriers emerge during operation, which lead to an emission current in the field emission element, at least one extraction electrode in order to extract the charge carriers from the field emission element, wherein a first part of the extracted charge carriers contributes to the source current, and a second part of the extracted charge carriers impinges on the extraction electrode and leads to an extraction current in the extraction electrode, an additional electrode on which the source current of charge carriers impinges at least in part and which contributes to an electrode current in the additional electrode.

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