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:
Jan. 09, 2018
Filed:
Dec. 29, 2015
Schott Ag, Mainz, DE;
Falk Gabel, Schlangenbad, DE;
Otmar Becker, Langen, DE;
Michael Glasenapp, Duisburg, DE;
Jan-Peter Ortmann, Klein Winternheim, DE;
Petra Grewer, Duesseldorf, DE;
Veit Luther, Hattersheim, DE;
Harald Striegler, Ockenheim, DE;
Dietmar Wennemann, Albig, DE;
Thomas Schuler, Dittelsheim-Hessloch, DE;
Thoralf Johansson, Nieder-Olm, DE;
Helga Goetz, Jena, DE;
Michael Bug, Muehltal, DE;
Guenther Siebenhaar, Bodenheim, DE;
Gerhard Hahn, Allenfeld, DE;
Friedrich-Georg Schroeder, Ingelheim, DE;
SCHOTT AG, Mainz, DE;
Abstract
A lithium-containing, transparent glass-ceramic material is provided. The material has low thermal expansion and has an amorphous, lithium-depleted, vitreous surface zone. The zone is at least 50 nm thick on all sides and encloses a crystalline interior, which has high transmission. The material includes a transition region connecting the zone and the interior.