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

Claim 8:
9. An article comprising:
a glass substrate having opposing major surfaces, wherein the glass substrate has a first average strain-to-failure that is greater than about 0.5%;
a crack mitigating layer disposed on a first major surface of the glass substrate; and
a film disposed on the crack mitigating layer,
wherein the crack mitigating layer is configured to cause a crack originating in one of the film and the glass substrate and entering into the crack mitigating layer to remain within the crack mitigating layer
wherein the 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 film has a thickness of less than about 5 μm.