Cooking device with a glass-ceramic panel providing a cooking surface in a variety of different colors and method of making same

摘要

The glass ceramic panels are non-transparent and have at least one decoration. In order to fulfill the requirements for a glass ceramic panel that provides a cooking surface for a cooking unit in a variety of different pleasing colors, especially a creamy white color shade (BISQUE), in an economical manner, the glass ceramic panel has a predominant crystalline phase of keatite mixed crystals and a full-surface decorative coating that covers at least 80 percent of the upper smooth surface of the glass ceramic substrate. The full-surface decorative coating is provided in a different color from the glass ceramic panel. Methods for making these glass ceramic panels are described.