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:
Aug. 24, 1999
Filed:
Apr. 22, 1997
Applicant:
Inventors:
Tom G Steere, Hornell, NY (US);
Raghu Ramaiah, Painted Post, NY (US);
Greg Nelson, Painted Post, NY (US);
Jay J Palmer, Bath, NY (US);
John C Alderman, Corning, NY (US);
Assignee:
Philips Electronics North America Corp., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313 25 ; 313573 ; 313634 ;
Abstract
A high-pressure discharge lamp is disclosed having a discharge vessel, an outer bulb enclosing said discharge vessel and defining an intervening space therebetween, a UV-enhancer positioned in the space between the outer bulb and the discharge vessel, the UV-enhancer provided with a wall fabricated of a ceramic material and an internal electrode, wherein an end portion of the UV-enhancer is closed with a compressive seal.