Easy-to-clean-coating-attached glass article

Abstract

Provided is a coating-attached glass article including: a glass substrate; and an easy-to-clean coating on the glass substrate, wherein the glass substrate has a function or composition that suppresses diffusion of an alkali metal element into the coating, and the easy-to-clean coating contains an inorganic substance as a main component. The glass article satisfies at least one selected from the group consisting of the following (i) to (iv): (i) the glass substrate is formed of alkali-free glass; (ii) the glass substrate is formed of low-alkali glass; (iii) the glass substrate includes a dealkalized layer in a surface on a coating side; and (iv) an underlayer is provided between the glass substrate and the coating.

Dependencies are inferred from the claim text.