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

Claim 20:
21. 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; and
wherein the crack mitigating layer is configured such that the article exhibits about the same flexural strength as exhibited by the glass substrate alone,
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 of less than 95 nm.