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:
Sep. 22, 2009
Filed:
Dec. 04, 2006
Meike Schneider, Taunusstein, DE;
Thilo Zachau, Buerstadt-Riedrode, DE;
Jochen Alkemper, Klein-Winternheim, DE;
Dirk Sprenger, Stadecken-Elsheim, DE;
Meike Schneider, Taunusstein, DE;
Thilo Zachau, Buerstadt-Riedrode, DE;
Jochen Alkemper, Klein-Winternheim, DE;
Dirk Sprenger, Stadecken-Elsheim, DE;
Schott AG, Mainz, DE;
Abstract
A glass ceramic is specified, with a crystalline phase consisting predominantly of BPO, and preferably exclusively of BPO. The glass ceramic contains 10 to 50 wt.-% SiO, 5 to 40 BO, 25 to 75 wt.-% PO, up to 5 wt.-% refining agents, up to 1 wt.-% impurities, and 0.1 to 10 wt.-% of at least one constituent selected from the group of M3O, M5Oand M4O, wherein M3 is an element selected from the group of the lanthanoids, yttrium, iron, aluminum, gallium, indium and thallium; wherein M5 is an element selected from the group of vanadium, niobium and tantalum and wherein M4 is an element selected from the group of titanium, zirconium, hafnium and cerium. The glass ceramic is advantageously suitable for being coated with semiconductor materials.