Glass ceramic and method for producing same

US10239779B2 · kind B2 · utility

Assignee

• Schott AG · DE

Inventors

• Falk Gabel · Schlangenbad, DE
• Friedrich Siebers · Nierstein, DE
• Evelin Weiss · Mainz, DE

Key dates

• Filing date: Dec 29, 2014
• Grant date: Mar 26, 2019
• Expiry date: Dec 29, 2034

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F21Y2115/10
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A glass ceramic article is provided so that a reliable coloring with a defined transmittance is ensured. The reliable coloring of the glass ceramic article is based on a high content of iron oxide of more than 0.1 percent by weight which itself has a strongly coloring effect does not further reduce transmittance but rather interacts with vanadium oxide to attenuate the absorption caused by vanadium oxide.