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US 12,319,611 B2Granted
Water-repellent-film-attached glass article and method for manufacturing same
AssigneeNippon Sheet Glass Co., Ltd.
InventorsPatricia Elena McNeil, Yoko Watanabe
Life of this patent
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Abstract
The present disclosure provides a glass substrate to which water repellency that is not lost by a heat treatment is imparted. Provided is a water-repellent-film-attached glass article including a glass substrate and a water-repellent film on the glass substrate. The water-repellent film includes cerium oxide, a contact angle of water on a surface of the water-repellent film is 75° or greater, and the contact angle is 75° or greater after the glass article is exposed to a thermal treatment at 760° C. for 4 minutes.
Claims13
A water-repellent-film-attached glass article comprising:
- a glass substrate;
- and
- a water-repellent film on the glass substrate, wherein
- the water-repellent film includes cerium oxide as a main component of the water-repellent film,
- the water-repellent film has a surface on which the cerium oxide is exposed,
- a porosity of the water-repellent film is 40% or more,
- a visible reflectance for visible light incident on the glass article from a side on which the water-repellent film is arranged is 10% or less,
- a contact angle of water on the surface of the water-repellent film is 75° or greater, and
- the contact angle is 75° or greater after the glass article is exposed to a thermal treatment at 760° C. for 4 minutes.
6 more elements
Dependencies are inferred from the claim text.