Methods for treating glass ceramic articles and treated glass ceramic articles

Abstract

Disclosed herein are methods of treating glass ceramic articles including contacting at least a portion of a glass ceramic article with a first salt bath to form an ion-exchanged glass ceramic article and removing a portion of the ion-exchanged glass ceramic article to a depth greater than or equal to 2 μm and less than or equal to 10 μm from a first major surface of the ion-exchanged glass ceramic article to form a post-IOX polished glass ceramic article. The first salt bath includes greater than or equal to 20 wt. % and less than or equal to 90 wt. % KNO3, greater than or equal to 10 wt. % and less than or equal to 80 wt. % NaNO3, greater than or equal to 0.03 wt. % and less than or equal to 0.3 wt. % LiNO3, and greater than or equal to 0.2 wt. % and less than or equal to 1 wt. % silicic acid.

Dependencies are inferred from the claim text.