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:
Feb. 27, 2018
Filed:
Sep. 29, 2016
Heraeus Quarzglas Gmbh & Co. KG, Hanau, DE;
Heraeus Noblelight Gmbh, Hanau, DE;
Mark Stamminger, Büdingen, DE;
Christoph Söller, Hanau, DE;
Franz-Josef Schilling, Freigericht, DE;
Erich Arnold, Mainz, DE;
Gerhard Schötz, Aschaffenburg, DE;
Mario Such, Gräfenhainichen, DE;
Andreas Langner, Freigericht, DE;
Björn Roos, Freigericht, DE;
Klaus Zoltner, Kleinostheim, DE;
Heraeus Quarzglas GmbH & Co. KG, Hanau, DE;
Heraeus Noblelight GmbH, Hanau, DE;
Abstract
A UV lamp including a filter material of doped quartz glass is provided that effects a transparency as high as possible for operating radiation in the ultraviolet spectral range above 210 nm together with low transparency in the wavelength range below about 190 nm. The filter material of doped quartz glass includes at least 99 wt. % of SiOand AlO, wherein the AlOportion is in the range of 2 wt. % to 4 wt. The filter material has an edge wavelength at a wavelength below 190 nm and a spectral transmission of 80% mmor higher at a wavelength of 210 nm.