Abstract: A glass comprising a coefficient of thermal expansion (CTE) of 70×10?7/° C. or less, a liquidus viscosity of at least 150 kP, and Li2O in an amount of 0.1 wt. % or less, wherein the glass is ion-exchangeable. A glass, comprising SiO2 in an amount of 64-73 wt. %, Al2O3 in an amount of 7-15 wt. %, B2O3 in an amount of 9-11 wt. %, Na2O in an amount of 6-9.5 wt. %, K2O in an amount of 0.5-3 wt. %, CaO in an amount of at least 0.05 wt. %, and Li2O in an amount of less than 0.1 wt. %, wherein a weight ratio of Na2O/Al2O3 is less than or equal to 0.9. A method of recycling glass, the method comprising heating a composition to form a melt, the composition comprising glass cullet in an amount of at least 60 wt. %, and raw materials in an amount of 40 wt. % or less.

Abstract: A glass-based assembly includes a glass or glass-ceramic substrate comprising a surface. The surface has flaws, such as a population of small cracks extending into the surface, whereby the substrate is weakened relative to ideal strength thereof. The assembly further includes a coating coupled to the substrate and overlaying at least some of the flaws. Ultimate strength of the substrate with the coating coupled thereto is greater than that of the substrate alone, without the coating.

Abstract: Glass-based articles that include a compressive stress layer extending from a surface of the glass-based article to a depth of compression are formed by exposing glass-based substrates to water vapor containing environments. The methods of forming the glass-based articles may include elevated pressures and/or multiple exposures to water vapor containing environments.

Abstract: An alkali aluminosilicate glass article having: greater than or equal to 70.0 mol % and less than or equal to 78.0 mol % SiO2; greater than or equal to 7.0 mol % and less than or equal to 12.0 mol % Al2O3; greater than or equal to 3.0 mol % and less than or equal to 7.0 mol % B2O3; greater than or equal to 2.0 mol % and less than or equal to 7.0 mol % Li2O; greater than or equal to 3.0 mol % and less than or equal to 6.0 mol % Na2O; greater than or equal to 0.0 mol % and less than or equal to 2.0 mol % P2O5; and greater than or equal to 0.0 mol % and less than or equal to 1.5 mol % REmOn.

Abstract: Disclosed herein are embodiments of a borosilicate glass composition comprising B2O3 in an amount greater than or equal to 11 mol % and less than or equal to 16 mol %; Al2O3 in an amount greater than or equal to 2 mol % and less than or equal to 5 mol %; one or more alkali metal oxides; one or more alkaline earth metal oxides; a total amount of Na2O, K2O, MgO, and CaO that is greater than or equal to 7.0 mol %°. Amounts of SiO2, B2O3, the one or more alkali metal oxides, Al2O3, and the one or more alkaline earth metal oxides, satisfy: (R2O+R?O)?Al2O3, and 0.80<(1?[(2R2O+2R?O)/(SiO2+2Al2O3+2B2O3)])<0.93, where R2O and R?O are sums sum of the concentrations of the one or more alkali metal oxides and the one or more alkaline earth metal oxides, respectively.

Abstract: A glass composition includes greater than or equal to 45 mol % to less than or equal to 60 mol % SiO2; greater than or equal to 15 mol % to less than or equal to 25 mol % Al2O3; greater than or equal to 10 mol % to less than or equal to 20 mol % Li2O; greater than or equal to 0 mol % to less than or equal to 7.5 mol % Na2O; greater than or equal to 0 mol % to less than or equal to 5 mol % K2O; greater than or equal to 7 mol % to less than or equal to 13 mol % P2O5, and greater than or equal to 0 mol % to less than or equal to 4 mol % TiO2. The glass composition may have a liquidus temperature of less than or equal to 1300° C. and an inter-diffusion coefficient greater than or equal to 4000 ?m2/hour. The glass composition is chemically strengthenable. The glass composition may be used in a glass-based article or a consumer electronic product.

Abstract: A method of forming a glass ceramic substrate having a through-glass via can include treating at least a portion of a first major surface of a precursor glass substrate along a laser scan path with a source of laser energy to form a treated precursor glass substrate. The through-glass via has a predetermined shape and extends through the first major surface of the glass ceramic substrate and a second major surface of the glass ceramic substrate. The first major surface defines a first opening and the second major surface defining a second opening and a ratio of a waist diameter of the through-glass via, measured at a location between the first opening and the second opening, to a surface diameter of the through-glass via, measured at either the first opening of the second opening of the through-glass via is in a range of from about 30% to about 100%.

Abstract: Disclosed herein are embodiments of a borosilicate glass composition comprising B2O3 in an amount greater than or equal to 11 mol % and less than or equal to 16 mol %; Al2O3 in an amount greater than or equal to 2 mol % and less than or equal to 5 mol %; one or more alkali metal oxides; one or more alkaline earth metal oxides; a total amount of Na2O, K2O, MgO, and CaO that is greater than or equal to 7.0 mol %°. Amounts of SiO2, B2O3, the one or more alkali metal oxides, Al2O3, and the one or more alkaline earth metal oxides, satisfy: (R2O+R?O)?Al2O3, and 0.80<(1?[(2R2O+2R?O)/(SiO2+2Al2O3+2B2O3)])<0.93, where R2O and R?O are sums sum of the concentrations of the one or more alkali metal oxides and the one or more alkaline earth metal oxides, respectively.

Abstract: Glass-based articles that include a compressive stress layer extending from a surface of the glass-based article to a depth of compression are formed by exposing glass-based substrates to water vapor containing environments. The glass-based substrates include low amounts of phosphorous. The methods of forming the glass-based articles may include elevated pressures and/or multiple exposures to water vapor containing environments.

Abstract: A glass composition includes: greater than or equal to 40 mol % and less than or equal to 57 mol % SiO2; greater than or equal to 15 mol % and less than or equal to 30 mol % Al2O3; greater than or equal to 0 mol % and less than or equal to 10 mol % B2O3; greater than or equal to 0 mol % and less than or equal to 10 mol % P2O5; greater than or equal to 14 mol % and less than or equal to 17 mol % Na2O; greater than or equal to 0 mol % and less than or equal to 7 mol % K2O; and greater than or equal to 0 mol % and less than or equal to 3 mol % Li2O. R2O/Al2O; is greater than or equal to 0.8. B2O5+P2O5+K2O is greater than or equal to 3 mol % and less than or equal to 25 mol %.

Abstract: Substantially alkali free glasses are disclosed with can be used to produce substrates for flat panel display devices, e.g., active-matrix liquid crystal displays (AMLCDs). The glasses have high annealing temperatures and Young's modulus. Methods for producing substantially alkali free glasses using a downdraw process (e.g., a fusion process) are also disclosed.

Abstract: A glass composition includes from 60 mol % to 76 mol % SiO2; from 7 mol % to 16 mol % Al2O3; from 0 mol % to 12 mol % B2O3; and from 0 mol to 14 mol % Na2O. (R2O+RO)/Al2O3 in the glass composition may be greater than or equal to 1. A glass laminate article includes a core glass layer having a low temperature coefficient of thermal expansion (LTCTEcore) and a high temperature coefficient of thermal expansion (HTCTEcore): a clad glass layer laminated to a surface of the core glass layer, the clad glass layer having a low temperature coefficient of thermal expansion (LTCTEclad) and a high temperature coefficient of thermal expansion (HTCTEclad); and a thickness t.

Abstract: Glass-based articles that include a compressive stress layer extending from a surface of the glass-based article to a depth of compression are formed by exposing glass-based substrates to water vapor containing environments. The glass-based substrates have compositions selected to avoid the formation of haze during the treatment process. The methods of forming the glass-based articles may include elevated pressures and/or multiple exposures to water vapor containing environments selected to avoid the formation of haze during the treatment process.

Abstract: Disclosed herein are embodiments of a borosilicate glass composition as may be useful for windshield and other applications in particular due to unique fracture behavior.

Abstract: A glass composition includes from 40 mol % to 56.5 mol % SiO2; from 10 mol % to 25 mol % Al2O3; from 12 mol % to 35 mol % B2O3; from 9 mol % to 14.75 mol % Na2O; from 0 mol % to 5 mol % K2O; and from 0 mol % to 3 mol % Li2O. The sum of Na2O, K2O, and Li2O (i.e., R2O) in the glass composition may be from 9 mol % to 19 mol %. (R2O—Al2O3)/B2O3 in the glass composition may be less than or equal to 0.25. R2O/Al2O3 in the glass composition may be from 0.8 to 1.5.

Abstract: Glass compositions include one or more of silica (SiO2), alumina (Al2O3), sodium oxide (Na2O), lithium oxide (Li2O), magnesia (MgO), phosphorus oxide (P2O5) and zinc oxide (ZnO) as essential components and may optionally include boron oxide (B2O3), calcium oxide (CaO), K2O (potassium oxide), Alk2O (Alk2O), REmOn (REmOn), TiO2 (titania) and other components.

Abstract: A glass composition includes greater than or equal to 45 mol % to less than or equal to 60 mol % SiO2; greater than or equal to 15 mol % to less than or equal to 25 mol % Al2O3; greater than or equal to 10 mol % to less than or equal to 20 mol % Li2O; greater than or equal to 0 mol % to less than or equal to 7.5 mol % Na2O; greater than or equal to 0 mol % to less than or equal to 5 mol % K2O; greater than or equal to 7 mol % to less than or equal to 13 mol % P2O5, and greater than or equal to 0 mol % to less than or equal to 4 mol % TiO2. The glass composition may have a liquidus temperature of less than or equal to 1300° C. and an inter-diffusion coefficient greater than or equal to 4000 ?m2/hour. The glass composition is chemically strengthenable. The glass composition may be used in a glass-based article or a consumer electronic product.

Abstract: Disclosed herein are embodiments of a borosilicate glass composition as may be useful for windshield and other applications in particular due to unique fracture behavior.

Abstract: Disclosed herein are glass compositions that present several advantages over glasses and other materials currently used for redistribution layers for RF, interposers, and similar applications. The glasses disclosed herein are low cost, flat glasses that have high throughput for the laser damage and etching process used to create through glass vias (TGV). TGV generated using the silicate glasses and processes described herein have large waist diameters (Dw), which is a desirable feature with respect to producing glass articles such as interposers.

Abstract: Substantially alkali free glasses are disclosed with can be used to produce substrates for flat panel display devices, e.g., active-matrix liquid crystal displays (AMLCDs). The glasses have high annealing temperatures and Young's modulus. Methods for producing substantially alkali free glasses using a downdraw process (e.g., a fusion process) are also disclosed.