Patent · US Expired

Short-arc lamp

US6614186B2 · kind B2 · utility

1Cited by

8References

11Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft für Glühlampen mbH · DE

Inventors

Thomas Mehr · Dollnstein, DE
Dietmar Ehrlichmann · Berlin, DE
Gerhard Loeffler · Olsberg, DE

Key dates

Filing date	Mar 29, 2001
Grant date	Sep 2, 2003
Priority date	—
Expiry date	May 9, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH01J61/073
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A short-arc lamp (1) with a discharge vessel (2) which contains an anode (3) and cathode (4) which are opposite one another. The filling medium contains inert gases and/or metal vapors, and the anode comprises a body having a front section (11), a substantially cylindrical body (12) and a rear face (13). Provided in the region of the front half of the cylindrical body is a projection (20) whose radial length (X) projects at least 0.5 mm beyond the cylindrical body (12).

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