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.:
Date of Patent:
Mar. 01, 2011
Filed:
Apr. 16, 2008
Matthew A. Bourgery, Concord, NH (US);
Paul H. Townsend, Amesbury, MA (US);
Chung-yao Chao, Lincoln, MA (US);
Matthew A. Bourgery, Concord, NH (US);
Paul H. Townsend, Amesbury, MA (US);
Chung-Yao Chao, Lincoln, MA (US);
OSRAM SYLVANIA Inc., Danvers, MA (US);
Abstract
A lamp () comprises an outer envelope () having first and second electrical lead-ins () sealed into a base () of the envelope (). A ceramic arc tube () is operatively mounted within the envelope (), the arc tube () having at least one electrode () therein. A tubular, niobium feed-through () is connected to the at least one electrode () and sealed to the ceramic body () at a joint () that can comprise a glass frit (). A stainless steel rod () is electrically connected between the electrical lead-in () and the tubular niobium feed-through (), the stainless steel rod () being the only electrical connection between the lead-in () and the niobium feed-through ().