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. 18, 2011
Filed:
Nov. 06, 2007
Applicant:
Heinz Josef Schloemer, Selfkant-Tueddern, DE;
Inventor:
Heinz Josef Schloemer, Selfkant-Tueddern, DE;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 17/16 (2006.01); H01J 61/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electric lamp is described, which has a quartz glass lamp vessel () accommodating an electric element (). The lamp vessel locally has a light-absorbing, non-reflective coating (). The coating mainly consists of iron, iron oxide, silicon, and silicon dioxide, the ratio of the weight percentages of iron (compounds) and silicon (compounds) being in the range of 0.17<=iron (compounds)/silicon (compounds)<-12, and the ratio of the weight percentages of silicon and silicon dioxide being in the range of 0.5<=silicon/silicon dioxide<=50.