Patent ID: 11919803
Assignee: CORNING INCORPORATED
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  G  Y | IPC C  G

Claim 19:
20. An article, comprising:
a glass substrate having a thickness and opposing major surfaces including a first major surface and a second major surface;
a crack mitigating layer disposed on and directly in contact with the first major surface of the glass substrate;
a first film disposed on the crack mitigating layer; and
a further film disposed on the second major surface of the glass substrate,
wherein the crack mitigating layer is configured to cause a crack originating in one of the first film and the glass substrate and entering into the crack mitigating layer to remain within the crack mitigating layer,, wherein the first film comprises an anti-reflection (AR) film, the AR film a layered structure comprising one or more of SiO2, TiO2 and Nb2O5, and
wherein the crack mitigating layer has a thickness in the range from about 35 nm to about 80 nm and the first film has a thickness of less than about 5 μm.