US 11,981,598 B2
Glass-based articles having a hard film and a crack mitigating composite structure for retained article strength and scratch resistance
Robert Alan Bellman, Ithaca, NY (US); Shandon Dee Hart, Elmira, NY (US); Jenny Kim, Horseheads, NY (US); Karl William Koch, III, Elmira, NY (US); James Joseph Price, Corning, NY (US); and Hannah Shenouda, Painted Post, NY (US)
Assigned to Corning Incorporated, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Jul. 7, 2022, as Appl. No. 17/859,110.
Application 17/859,110 is a continuation of application No. 16/498,908, granted, now 11,407,681, previously published as PCT/US2018/023974, filed on Mar. 23, 2018.
Claims priority of provisional application 62/477,708, filed on Mar. 28, 2017.
Prior Publication US 2022/0340483 A1, Oct. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 15/04 (2006.01); B32B 17/06 (2006.01); C03C 17/00 (2006.01); C03C 17/42 (2006.01); C03C 21/00 (2006.01)
CPC C03C 17/42 (2013.01) [C03C 17/009 (2013.01); C03C 21/002 (2013.01); C03C 2217/734 (2013.01); C03C 2217/78 (2013.01); C03C 2217/948 (2013.01)] 24 Claims
OG exemplary drawing
 
1. An article, comprising:
a glass-based substrate comprising opposing major surfaces;
a crack mitigating composite over one of the major surfaces, the composite comprising an inorganic element and a polymeric element; and
a first film disposed on the crack mitigating composite, the first film comprising an elastic modulus greater than or equal to the elastic modulus of the glass-based substrate,
wherein the first film comprises at least one of a metal-containing oxide, a metal-containing oxynitride, a metal-containing nitride, a metal-containing carbide, a silicon-containing polymer, a carbon, a semiconductor, and combinations thereof, and
wherein the polymeric element comprises a polyurethane.