The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8174191 B1

PDF
Full Text
Expired
Date of Patent:
May. 08, 2012

Filed:

Jul. 15, 2008
Applicants:

Axel Hombach, Kürten, DE;

Oliver Rosier, Wipperfürth, DE;

Inventors:

Axel Hombach, Kürten, DE;

Oliver Rosier, Wipperfürth, DE;

Assignee:

Osram AG, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 17/24 (2006.01); H01J 19/70 (2006.01); H01J 61/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dielectric barrier discharge lamp () configured as a coaxial double tube comprises an inner tube (), which is disposed coaxially inside an outer tube (). The inner tube () comprises an inner electrode tube () provided for receiving the inner electrode () and a getter tube () provided for receiving getter material (). The inner electrode tube () and getter tube () are separated from each other in a gastight manner by a partition ().


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