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:
Jul. 18, 1978
Filed:
Sep. 08, 1976
Applicant:
Inventors:
Piet Wiedijk, Eindhoven, NL;
Johannes Hubertus Schmitz, Eindhoven, NL;
Antonius Henricus Van der Stap, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313331 ; 252520 ; 313218 ; 313311 ; 313332 ;
Abstract
A high-pressure gas discharge lamp having a discharge vessel of aluminium oxide or yttrium oxide. Disposed within the discharge vessel is an electrode which is connected to a vacuum tight led-out current supply conductor which consists mainly of borides from the group consisting of titanium boride and zirconium boride.