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. 26, 2002
Filed:
Jul. 29, 1999
James G. Anderson, Dundee, NY (US);
Wayne P Strattman, Boston, MA (US);
Jackson P Trentelman, Painted Post, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
An electrode assembly suitable for employment with low-pressure discharge lamps, and especially discharge lamps made from borosilicate glass. The electrode assembly comprises a hollow, stepped electrode holder having a tubular upper portion and a cylindrical lower portion comprising a tapered edge, and an electrode shell fastened to the tubular upper portion of the electrode holder. The electrode assembly may also further comprises a glass ring fused to the tapered edge of cylindrical lower portion of the electrode holder. The electrode assembly is suitable for use with low-pressure discharge lamps comprising glass tubes and low-pressure discharge lamps comprising envelopes having a gas-discharge channel. In a low-pressure discharge lamp, the electrode assembly of the present invention may be used as the discharge source, the evacuation and backfill site, and the seal site.