Patent · US Active

Glass ceramic as a cooktop for induction heating having improved colored display capability and heat shielding, method for producing such a cooktop, and use of such a cooktop

US9018113B2 · kind B2 · utility

9Cited by

0References

9Claims

0Family size

Assignee

Schott AG · DE

Inventors

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

Key dates

Filing date	Jul 15, 2011
Grant date	Apr 28, 2015
Priority date	—
Expiry date	Aug 27, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B40/00
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A glass ceramic as cooktop for induction heating having improved colored display capability and heat shielding is provided. The cooktop includes a transparent, dyed glass ceramic plate having high-quartz mixed crystals as a predominant crystal phase. The glass ceramic contains none of the chemical refining agents arsenic oxide and/or antimony oxide and has a transmittance values greater than 0.4% at at least one wavelength in the blue spectrum between 380 and 500 nm, a transmittance >2% at 630 nm, a transmittance of less than 45% at 1600 nm, and a light transmittance of less than 2.5% in the visible spectrum.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.