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:
Oct. 31, 2000
Filed:
Nov. 16, 1999
NGK Insulators, Ltd., , JP;
Abstract
The high pressure discharge lamp comprises a ceramic discharge tube containing an ionizable luminescent material and a starting gas filled in the inner space thereof, a clogging member having through-holes and at least a portion of which being fixed on the inner side of the end portion of the ceramic discharge tube, an electric conductor having an electrode system inserted in the through-holes of the clogging member, and a sealing material layer. Preferably, the sealing material layer 16A is made of a metallizing layer. In addition, the high pressure discharge-lamp comprises the ceramic discharge tube, the clogging member, the electric conductor inserted in the through-holes of the clogging member, and a metallizing layer for sealing provided so as to join to the clogging member and the electric conductor.