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: An article that includes: a glass-based substrate comprising a thickness, a primary surface and a compressive stress region that extends from the primary surface to a selected depth; and a textured region defined by the primary surface. The textured region comprises a surface roughness (Ra) of at least 10 nm. The article can also comprise a Knoop Scratch Threshold of at least 9 Newtons (N).

Abstract: A method of reworking lithium containing ion exchanged glass-based articles is provided. The method includes a reverse ion exchange process that returns the glass-based article to approximately the composition of the glass from which the glass-based article was produced, before being subjected to ion exchange.

Abstract: An antimicrobial glass-based article comprises: a first major surface opposing a second major surface. A first surface region extends 1 micron into the article from the first major surface. The first surface region has an average Ag2O concentration across the first surface region of equal to or greater than 10 mol % and equal to or less than 30 mol %, and a surface roughness Ra of 100 nm or greater.

Abstract: A textured glass-based article with multiple haze levels is provided. The textured glass-based articles are produced by utilizing a combination of etching and mechanical polishing to produce the multiple haze levels.

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: Embodiments of the present disclosure are directed to salt bath systems for strengthening glass articles including a salt bath tank defining a first interior volume enclosed by at least one sidewall; a salt bath composition including an alkali metal salt positioned within the first interior volume; a containment device defining a second interior volume enclosed by at least one sidewall and including a regeneration medium positioned within the second interior volume; and a circulation device positioned proximate to an inlet of the containment device, wherein the circulation device is operable to circulate the salt bath composition through the containment device. Methods for regenerating a molten salt are also disclosed.

Abstract: A textured glass article includes: a body comprising an aluminosilicate glass comprising greater than or equal to 16 wt % Al2O3, the body having at least a first surface; and a plurality of polyhedral surface features extending from the first surface, each of the plurality of polyhedral surface features comprising a base on the first surface, a plurality of facets extending from the first surface, and a surface feature size at the base greater than or equal to 10 ?m and less than or equal to 350 ?m, wherein the plurality of facets of each polyhedral surface feature converge toward one another.

Abstract: A substrate comprising: (i) a first series of blind vias into a thickness of a substrate and open to a first primary surface; and (ii) a second series of blind vias into the thickness of a substrate and open to a second primary surface. Each blind via includes an interior wall. The interior wall includes a first tapered region and a second tapered region. The first tapered region and the second tapered region have a distinct slope. Each of the blind vias of the second series of blind vias is coaxial with a different blind via of the first series of blind vias. Each blind via of the first series of blind vias has a depth that deviates from a mean depth by less than +/?10%. Each blind via of the second series of blind vias has a depth that deviates from a mean depth by less than +/?10%.

Abstract: A textured glass article includes: a body comprising an aluminosilicate glass comprising greater than or equal to 16 wt % Al2O3 and a Al2O3/SiO2 ratio less than or equal to 0.3, the body having at least a first surface; a plurality of polyhedral surface features extending from the first surface, each of the plurality of polyhedral surface features comprising a base on the first surface, a plurality of facets extending from the first surface, and a surface feature size at the base greater than or equal to 10 ?m and less than or equal to 100 ?m, wherein the plurality of facets of each polyhedral surface feature converge toward one another; and a transmittance haze greater than or equal to 50%.

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: Methods for reducing a defective area in a strengthened substrate to produce a non-defective substrate are provided. The methods include contacting a strengthened defective substrate with a heated salt bath containing at least one monovalent salt, and removing the strengthened substrate from the bath. The strengthened substrate, before being contacted with the salt bath, is a defective substrate having at least one defective area and one or more non-defective area. Upon removal from the salt bath, at least one defective area has been reduced or substantially removed to produce a non-defective substrate.

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 process for forming a textured 3-D glass-based substrate includes texturing a first surface of a glass-based substrate and shaping the glass-based substrate into a three-dimensional shape. The surface profile of the substrate is non-planar. In some embodiments, texturing the first surface of the glass-based substrate provides the first surface with an average roughness of 10 nm to 2000 nm.

Abstract: A glass article (and methods for forming the same) includes a glass body having first and second opposing primary surfaces and a thickness defined between the primary surfaces. The glass body includes a compressive stress region that includes: a surface stress of greater than about 900 MPa (compressive), a spike region having a first slope, and a tail region having a second slope. The spike region and the tail region can intersect at a knee region having a stress of greater than about 35 MPa (compressive), wherein the stress at the knee region is defined as the point where the asymptotic extrapolation of the spike region and the tail region intersect. The first slope of the spike region can be steeper than about ?30 MPa/?m.

Abstract: It discloses a proteolysis targeting chimeric molecule, a preparation method and an application thereof. The proteolysis targeting chimeric molecule provided by the disclosure can inhibit the expression of BCR-ABL and/or CRBN protein in BCR-ABL and/or CRBN positive leukemia K562 cells to varying degrees, and thus can be used to prepare drugs for treating BCR-ABL and/or CRBN positive leukemia, wherein the proteolysis targeting chimeric molecule with n=3 has excellent photo-isomerization activity, and can be used in preparation of the reagents or drugs for light-regulated degradation of BCR-ABL and/or CRBN protein. The disclosure also provides a method for synthesizing the series of proteolysis targeting chimeric molecules.

Abstract: Methods for regenerating poisoned salt bath comprising providing a salt bath comprising at least one of KNO3 and NaNO3, providing an ion-exchangeable substrate comprising lithium cations, contacting at least a portion of the ion-exchangeable substrate with the salt bath, whereby lithium cations in the salt bath diffuse from the ion-exchangeable substrate and are dissolved in the salt bath, and selectively precipitating dissolved lithium cations from the salt bath using phosphate salt. The methods further include preventing or reducing the formation of surface defects in the ion-exchangeable substrate by preventing or reducing the formation of crystals on the surface of the ion-exchangeable substrate upon removal from the salt bath.

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: Silica-containing substrates including vias with a narrow waist, electronic devices incorporating a silica-containing substrate, and methods of forming vias with narrow waist in silica-containing substrates are disclosed. In one embodiment, an article includes a silica-containing substrate including greater than or equal to 85 mol % silica, a first surface, a second surface opposite the first surface, and a via extending through the silica-containing substrate from the first surface toward the second surface. The via includes a first diameter at the first surface wherein the first diameter is less than or equal to 100 ?m, a second diameter at the second surface wherein the first diameter is less than or equal to 100 ?m, and a via waist between the first surface and the second surface. The via waist has a waist diameter that is less than the first diameter and the second diameter such that a ratio between the waist diameter and each of the first diameter and the second diameter is less than or equal to 75%.