Patent · US Expired

X-ray tube comprising an at least partly metal housing and an electrode which carries a positive high voltage with respect thereto

US4618977A · kind A · utility

9Cited by

4References

11Claims

0Family size

Assignee

U.S. Philips Corporation · US

Inventors

Horst Brettschneider · Norderstedt, DE
Walter Hartl · Hamburg, DE
Diethard Peter · Hamburg, DE

Key dates

Filing date	Dec 9, 1985
Grant date	Oct 21, 1986
Priority date	—
Expiry date	Dec 9, 2005

Classification

Technology area (CPC H)Electricity
CPC primaryH01J2235/168
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In an X-ray tube comprising a metal housing portion and an electrode which can be connected to a positive high voltage with respect thereto and which is mounted on a ceramic insulator portion, a conical insulator portion is enclosed by a wall portion, at least the inner surface of which has an insulating effect. A screening sleeve which electrically screens the connection between the insulator portion and the electrode projects into a recess in the wall portion.

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