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:
Nov. 27, 2007
Filed:
Sep. 29, 2004
Thilo Zachau, Buerstadt-Riedrode, DE;
Rainer Liebald, Nauheim, DE;
Dirk Sprenger, Stadecken-Elsheim, DE;
Meike Lohmann, Taunusstein, DE;
Thilo Zachau, Buerstadt-Riedrode, DE;
Rainer Liebald, Nauheim, DE;
Dirk Sprenger, Stadecken-Elsheim, DE;
Meike Lohmann, Taunusstein, DE;
Schott AG, Mainz, DE;
Abstract
A glass ceramic comprises (in wt.-% on oxide basis): SiO35 to 60, BO>4 to 10, PO0 to 10, AlO16.5 to 40, TiO1 to 10, TaO0 to 8, YO0 to 6, ZrO1 to 10, MgO 6 to 20, CaO 0 to 10, SrO 0 to 4, BaO 0 to 8, ZnO 0 to 4, SnO+CeO0 to 4, SO+Cl0 to 4, wherein the total content (SnO+CeO+SO+Cl) is between 0.01 and 4 wt.-%. The glass ceramic may be processed by the float glass method, may be transparent and is, inter alia, suitable as a substrate for thin film semiconductors, in particular for display applications, solar cells etc.