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:
Nov. 13, 2001
Filed:
Sep. 10, 1999
Applicant:
Inventors:
Douglas A. Kirkpatrick, Great Falls, VA (US);
Bruce Shanks, Gaithersburg, MD (US);
Donald A. MacLennan, Gaithersburg, MD (US);
Assignee:
Fusion Lighting, Inc., Rockville, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/704 ; H01J 6/104 ;
U.S. Cl.
CPC ...
H01J 1/704 ; H01J 6/104 ;
Abstract
An arc discharge lamp includes a light transmissive envelope (,), two electrodes (,) disposed at least partially inside the light transmissive envelope, and a plasma forming fill which includes selenium when excited disposed inside the light transmissive envelope (,). The exterior surfaces of the part of the electrodes (,) disposed inside the light transmissive envelope (,) comprise an electrode material selected from the group of molybdenum and molybdenum compounds.