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:
Apr. 13, 2004
Filed:
Oct. 21, 2002
Applicant:
Inventors:
Bruno Vitt, Aachen, DE;
Juergen Blankenburg, Osterode, DE;
Werner J. Behr, Alfeld/Leine, DE;
Karl-Heinz Dasecke, Gruenenplan, DE;
Birgit Lintner, Mainz, DE;
Assignee:
Schott Spezialglas GmbH, Mainz, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/706 ; G02B 1/10 ;
U.S. Cl.
CPC ...
B32B 1/706 ; G02B 1/10 ;
Abstract
There is provided a UV-reflective interference layer system for transparent substrates with broadband anti-reflection properties in the visible wavelength range. The interference layer system includes at least four individual layers. Successive layers have different refractive indices and the individual layers contain UV and temperature-stable inorganic materials.