Abstract: A textured glass article that includes: a glass substrate comprising a thickness, a primary surface and a bulk composition at the midpoint of the thickness; and a textured region defined by the primary surface and comprising a textured region composition. The textured region comprises a sparkle of 2% or less. Further, the bulk composition comprises about 40 mol % to 80 mol % silica and the textured region composition comprises at least about 40 mol % silica.

Abstract: A method of modifying a substrate comprising an etching step comprising contacting one or more primary surfaces of a glass, glass-ceramic, or ceramic substrate with a solution for a time period of 20 minutes to 8 hours to generate one or more etched primary surfaces, the solution comprising over 10 percent by weight of one or more alkali hydroxides, the solution having a temperature within the range of 100° C. to 150° C., the substrate having a thickness between the primary surfaces that decreases during the time period by 5 ?m to 100 ?m at a rate of 2 ?m per hour or greater. The solution of the etching step does not comprise hydrogen fluoride. The one or more alkali hydroxides of the solution of the etching step can be sodium hydroxide (NaOH), potassium hydroxide (KOH), or a combination of both sodium hydroxide and potassium hydroxide.

Abstract: A textured glass article that includes: a glass substrate comprising a thickness, a primary surface and a bulk composition at the midpoint of the thickness; and a textured region defined by the primary surface and comprising a textured region composition. The textured region comprises a sparkle of 2% or less. Further, the bulk composition comprises about 40 mol % to 80 mol % silica and the textured region composition comprises at least about 40 mol % silica.

Abstract: A patterned glass article that includes: a glass substrate comprising a thickness, a primary surface and a bulk composition at the midpoint of the thickness; and a patterned region defined by the primary surface and comprising a patterned region composition. The bulk composition comprises about 40 mol % to 80 mol % silica and the patterned region composition comprises at least about 40 mol % silica. Further, the patterned region comprises a first textured region and a second textured region, the second textured region characterized by a haze of at least 5% more than a haze of the first textured region.

Abstract: A glass article is provided that includes: a glass substrate comprising a thickness and a primary surface; and a textured region defined by the primary surface. The textured region comprises a low spatial frequency region and a high spatial frequency region substantially superimposed within the low spatial frequency region. Further, the low spatial frequency region comprises an average lateral feature size that exceeds an average lateral feature size of the high spatial frequency region. In addition, the textured region comprises a surface roughness (Ra) from about 10 nm to about 1000 nm.

Abstract: A method for manufacturing a microfluidic device (100) includes depositing a bonding layer (106) on a surface of a second glass layer (104a) of a glass substrate having a first glass layer (102) and the second glass layer (104a) fused to the first glass layer (102), such that a masked region of the surface is covered by the bonding layer, and an exposed region of the surface is uncovered by the bonding layer; removing a portion of the second glass layer corresponding to the exposed region of the surface to form a flow channel (112) in the glass substrate; and bonding a cover (108) to the glass substrate with the bonding layer (106).

Abstract: Methods of etching an inorganic layer on a glass substrate are described, the methods comprising contacting the glass substrate including an inorganic layer with an etching solution comprising a polar organic solvent and an etchant, wherein the inorganic layer is removed at an inorganic layer etching rate and the glass substrate is etched as a glass etching rate.

Abstract: A method is described herein of making a textured glass article where the method includes: providing a glass substrate having an initial primary surface and an opposing primary surface; disposing a protective coating on at least one of the initial primary surface or the opposing primary surface; and etching the glass substrate with a hydrofluoric acid-free etchant having a pH of about 7 or less to form a leached layer in the glass substrate.

Abstract: A glass article is provided that includes: a glass substrate comprising a thickness and a primary surface; and a textured region defined by the primary surface. The textured region comprises a plurality of sub-surface hillocks, each hillock having a top surface and a base, the base located below the primary surface of the substrate. The plurality of hillocks comprises an average lateral feature size from 0.1 ?m to 3 ?m and an average height from 5 nm to 200 nm. Further, the primary surface of the substrate is substantially planar.

Abstract: A method of modifying a substrate comprising an etching step comprising contacting one or more primary surfaces of a glass, glass-ceramic, or ceramic substrate with a solution for a time period of 20 minutes to 8 hours to generate one or more etched primary surfaces, the solution comprising over 10 percent by weight of one or more alkali hydroxides, the solution having a temperature within the range of 100° C. to 150° C., the substrate having a thickness between the primary surfaces that decreases during the time period by 5 ?m to 100 ?m at a rate of 2 ?m per hour or greater. The solution of the etching step does not comprise hydrogen fluoride. The one or more alkali hydroxides of the solution of the etching step can be sodium hydroxide (NaOH), potassium hydroxide (KOH), or a combination of both sodium hydroxide and potassium hydroxide.

Abstract: A glass substrate comprises: a first surface with surface features having an average width, an average height, a ratio of the average width to the average height of from about 0.04 to about 0.24, and the first surface has a haze value of 3% to 40%. The glass substrate can be transparent to electromagnetic radiation in the visible spectrum. The glass substrate can have a composition of: 61-75 mol. % SiO2; 7-15 mol. % Al2O3; 0-12 mol. % B2O3; 9-21 mol. % Na2O; 0-4 mol. % K2O; 0-7 mol. % MgO; and 0-3 mol. % CaO. The first surface can have an average surface roughness Ra of from 10 nm to 1,000 nm. The first surface can have an average characteristic largest feature size of from 200 nm to 50 ?m. The ratio of the average width to the average height can be from 0.06 to about 0.08.

Abstract: The present disclosure relates to a reconstituted wafer- and/or panel-level package comprising a glass substrate having a plurality of cavities. Each cavity is configured to hold a single IC chip. The reconstituted wafer- and/or panel-level package can be used in a fan-out wafer or panel level packaging process. The glass substrate can include at least two layers having different photosensitivities with one layer being sufficiently photosensitive to be capable of being photomachined to form the cavities.

Abstract: A substrate with a textured surface is disclosed. The substrate may be, for example, a light emitter comprising a light guide, for example a backlight element for use in a display device, wherein a surface of the light guide, for example a glass substrate, is configured to have a textured surface with a predetermined RMS roughness and a predetermined correlation length of the texture. A plurality of light scatter suppressing features can be provided on the textured surface. Textured surfaces disclosed herein may be effective to reduce electrostatic charging of the substrate surface. Methods of producing the textured surface are also disclosed.

Abstract: A borophosphate glass composition including B2O3, P2O5, and CaO, and optionally a source additive selected from: Li2O, Na2O, K2O, Al2O3, ZnO, MgO, Fe2O3/FeO, CuO/Cu2O, and mixtures thereof, as defined herein. Also disclosed are bioactive compositions or substrates including the disclosed borophosphate glass composition, and at least one live cell. Also disclosed are methods of inhibiting or increasing the relative amount of species containing boron, phosphorous, or both, being released into an aqueous solution from aborophosphate glass composition defined herein. Also disclosed is a method of proliferating cells on a bioactive substrate as defined herein. Also disclosed are related glass compositions that exclude one of B2O3, P2O5, and CaO.

Abstract: A patterned glass article that includes: a glass substrate comprising a thickness, a primary surface and a bulk composition at the midpoint of the thickness; and a patterned region defined by the primary surface and comprising a patterned region composition. The bulk composition comprises about 40 mol % to 80 mol % silica and the patterned region composition comprises at least about 40 mol % silica. Further, the patterned region comprises a first textured region and a second textured region, the second textured region characterized by a haze of at least 5% more than a haze of the first textured region.

Abstract: A substrate with a textured surface is disclosed. The substrate may be, for example, a light emitter comprising a light guide, for example a backlight element for use in a display device, wherein a surface of the light guide, for example a glass substrate, is configured to have a textured surface with a predetermined RMS roughness and a predetermined correlation length of the texture. A plurality of light scatter suppressing features can be provided on the textured surface. Textured surfaces disclosed herein may be effective to reduce electrostatic charging of the substrate surface. Methods of producing the textured surface are also disclosed.

Abstract: A vacuum insulated glass unit includes a first and a second glass pane and a pane bonding layer. The first and second glass panes each include a vacuum chamber side opposite an outer side. The vacuum chamber side of the first glass pane includes an etched interior surface, a glass pane periphery having a periphery surface, and a plurality of glass spacers each having an end surface. The pane bonding layer is positioned between and engaged with the periphery surface of the glass pane periphery of the first glass pane and the second glass pane and couples the first glass pane to the second glass pane. Each end surface of the plurality of glass spacers and the periphery surface of the glass pane periphery are offset from the etched interior surface such that a vacuum chamber is disposed between the first and the second glass panes.

Abstract: A vacuum insulated glass unit includes a first and a second glass pane and a pane bonding layer. The first and second glass panes each include a vacuum chamber side opposite an outer side. The vacuum chamber side of the first glass pane includes an etched interior surface, a glass pane periphery having a periphery surface, and a plurality of glass spacers each having an end surface. The pane bonding layer is positioned between and engaged with the periphery surface of the glass pane periphery of the first glass pane and the second glass pane and couples the first glass pane to the second glass pane. Each end surface of the plurality of glass spacers and the periphery surface of the glass pane periphery are offset from the etched interior surface such that a vacuum chamber is disposed between the first and the second glass panes.

Abstract: A textured glass article that includes: a glass substrate comprising a thickness, a primary surface and a bulk composition at the midpoint of the thickness; and a textured region defined by the primary surface and comprising a textured region composition. The textured region comprises a sparkle of 2% or less. Further, the bulk composition comprises about 40 mol % to 80 mol % silica and the textured region composition comprises at least about 40 mol % silica.

Abstract: A borophosphate glass composition including B2O3, P2O5, and CaO, and optionally a source additive selected from: Li2O, Na2O, K2O, Al2O3, ZnO, MgO, Fe2O3/FeO, CuO/Cu2O, and mixtures thereof, as defined herein. Also disclosed are bioactive compositions or substrates including the disclosed borophosphate glass composition, and at least one live cell. Also disclosed are methods of inhibiting or increasing the relative amount of species containing boron, phosphorous, or both, being released into an aqueous solution from aborophosphate glass composition defined herein. Also disclosed is a method of proliferating cells on a bioactive substrate as defined herein. Also disclosed are related glass compositions that exclude one of B2O3, P2O5, and CaO.