Patent · US Expired

Sealing foil and associated lamp having this foil

US6969950B2 · kind B2 · utility

1Cited by

6References

8Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Franz Breuer · Ingolstadt, DE
Axel Bunk · Berlin, DE
Bodo Mittler · Neusäß, DE

Key dates

Filing date	Apr 21, 2003
Grant date	Nov 29, 2005
Priority date	—
Expiry date	Aug 22, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH01K1/38
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Sealing foil for making a lamp (1), comprising a metallic base body made from molybdenum and a coating which has been applied to at least part of the base body and which contains chromium, rhenium or ruthenium, alone or as an alloy, the foil being formed as a stack comprising two parts (10, 11) which have a different coating.

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