Abstract: Foldable substrates and foldable apparatus containing the same have a central portion positioned between a first portion and a second portion. The central portion has a central thickness less than a substrate thickness in the first portion and the second portion. A lithium difference between a central concentration at a central midpoint minus a first concentration of lithium oxide at a first midpoint of the first portion is from 0.2 mol % to 2 mol %. A larger alkali difference between a central concentration at the central midpoint minus a first concentration at the first midpoint is from 0.2 mol % to 2 mol %. A ratio of the lithium difference to the larger alkali difference is from 0.6 to 1.7. Methods includes disposing a diffusion layer over the central portion before chemically strengthening the foldable substrate.

Abstract: The present invention provides a composition that contains component (A): a crosslinkable compound and component (B): a non-fluorine liquid-repellent compound, and that satisfies the formula: Pb?Pc>0 [in the formula, Pb is the value of the ratio of polar components in the surface free energy at a layer formed from the non-fluorine liquid-repellent compound, and Pc is the value of the ratio of polar components in the surface free energy at a layer formed from the composition].

Abstract: Articles that exhibit scratch-resistance and improved optical properties. In some examples, the article exhibits a color shift of about 2 or less, when viewed at an incident illumination angle in the range from about 0 degrees to about 60 degrees from normal under an illuminant. In one or more embodiments, the articles include a substrate, and an optical film disposed on the substrate. The optical film includes a scratch-resistant layer and an optical interference layer. The optical interference layer may include one or more sub-layers that exhibit different refractive indices. In one example, the optical interference layer includes a first low refractive index sub-layer and a second a second high refractive index sub-layer. In some instances, the optical interference layer may include a third sub-layer.

Abstract: Coated articles are described herein including a fluorine-free surface-modifying layer. The surface-modifying layer includes an alkyl silane at an exterior surface. The alkyl silane can be (i) bonded to another part of the coated article by a silane group and/or (ii) a silane group of the alkyl silane is a free end of the alkyl silane. In aspects, the surface-modifying layer can be a fingerprint-hiding coating exhibiting a water contact angle from 90° to 120°, an oleic acid contact angle of 40° or less, and a coefficient of friction of 0.25 or less. When a simulated fingerprint is applied to the surface-modifying layer in a Simulated Fingerprint Test, the surface-modifying layer exhibits a mean gray level of 150 or less and/or a haze of 8% or less. Methods of forming the coated article can include reacting an alkyl silane including at least two reactive groups to form the surface-modifying layer.

Abstract: Described herein are articles and methods of making articles, including a first sheet and a second sheet, wherein the thin sheet and carrier are bonded together using a coating layer, preferably a hydrocarbon polymer coating layer, and associated deposition methods and inert gas treatments that may be applied on either sheet, or both, to control van der Waals, hydrogen and covalent bonding between the sheets. The coating layer bonds the sheets together to prevent formation of a permanent bond at high temperature processing while at the same time maintaining a sufficient bond to prevent delamination during high temperature processing.

Abstract: Coated articles are described herein that include a first layer. The first layer may comprise a planarization layer and/or a hydroxyl-modified layer. The planarization layer includes a silica or a partial silica-like having Si—O—Si—O bonds. The coated article further includes a surface-modifying layer disposed on a first surface area of the first layer. In aspects, the first layer has a molar ratio of hydrogen to silicon of about 0.2 or more. Methods of forming coated articles can include evaporating a functionalized polyhedral oligomeric silsesquioxane and impinging an ion beam thereon to from a planarization layer. Methods for forming coated articles can include impinging a plasma at a first major surface of a substrate to form a hydroxyl-modified layer.

Abstract: A method of forming a nanopatterned substrate includes imprinting a deposited photoresist on a substrate with a stamp to form a nanopattern including nanofeatures on the substrate, the nanofeatures including a gap therebetween. The method includes performing glancing angle deposition of a metal on the nanopattern to deposit the metal on the nanofeatures. The method includes directionally etching the nanopattern including the metal in a direction normal to a surface of the nanopattern to remove the photoresist in the gap between the nanofeatures and to expose the substrate in the gap between the nanofeatures. The method includes depositing a deposition material on the directionally etched nanopattern such that the deposition material is deposited on the exposed substrate in the gap between the nanofeatures and on the metal that is on the nanofeatures.

Abstract: Foldable substrates comprise a first portion, a second portion, and a central portion positioned therebetween. The central portion comprises a first central surface area recessed from a first major surface by a first distance and a second central surface area. A second major surface comprises the second central surface area. A blunted edge extends around an entire periphery of the foldable substrate. The blunted edge comprising a first blunted surface area where the blunted edge meets the first major surface and a second blunted surface area where the blunted edge meets the second major surface. Methods comprise laminating the foldable substrate with support layers before removing a peripheral portion of an initial edge of the foldable substrate to form an intermediate edge. The intermediate edge is contacted with an etchant to form the blunted edge. Methods further comprise removing the support layers from the foldable substrate.

Abstract: Described herein are glass articles and methods of making glass articles, comprising a thin sheet and a carrier, wherein the thin sheet and carrier or bonded together using a coating layer, which is preferably an organosiloxane polymer coating layer, and associated deposition methods and inert gas treatments that may be applied on the thin sheet, the carrier, or both, to control van der Waals, hydrogen and covalent bonding between the thin sheet and the carrier. The coating layer bonds the thin sheet and carrier together to prevent a permanent bond at high temperature processing while at the same time maintaining a sufficient bond to prevent delamination during high temperature processing.

Abstract: Durable and scratch resistant articles including low-reflectance optical coating with gradient portion. In some embodiments, an article comprises: a substrate comprising a first major surface; and an optical coating disposed over the first major surface. The optical coating comprises: a second major surface; a thickness; and a first gradient portion. A refractive index of the optical coating varies along a thickness of the optical coating. The difference between the maximum refractive index of the first gradient portion and the minimum refractive index of the first gradient portion is 0.05 or greater. The absolute value of the slope of the refractive index of the first gradient portion is 0.1/nm or less everywhere along the thickness of the first gradient portion. The article exhibits a single side photopic average light reflectance of 3% or less, and a maximum hardness from 10 GPa to 30 GPa.

Abstract: According to one or more embodiments described herein, a coated article may comprise: a transparent substrate having a major surface, the major surface comprising a textured or rough surface inducing light scattering; and an optical coating disposed on the major surface of the transparent substrate and forming an air-side surface, the optical coating comprising one or more layers of material, the optical coating having a physical thickness of greater than 300 nm, wherein the coated article exhibits a maximum hardness of about 10 GPa or greater as measured on the air-side surface by a Berkovich Indenter Hardness Test along an indentation depth of about 50 nm or greater.

Abstract: Coated articles are described herein that include a surface-modifying layer that is fluorine-free. In aspects, the surface-modifying layer comprises a partial silica-like network having a ratio of Si—O—Si bonds to Si atoms in the anti-fingerprint coating from about 2 to about 3. Additionally or alternatively, the surface-modifying layer further comprises an alkyl silane at the exterior surface and bonded to a Si—O group in the silica-like network. Methods include evaporating a functionalized polyhedral oligomeric silsesquioxane onto a first major surface. Methods include impinging an ion beam on the first major surface. Alternatively, methods include disposing and heating a solution comprising a polysilazane or a polyhedral oligomeric silsesquioxane on a first major surface. In aspects, methods include reacting material at the first major surface with a alkyl silane.

Abstract: An article is described herein that includes: 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 hard film disposed on the crack mitigating composite comprising an elastic modulus greater than or equal to the elastic modulus of the glass-based substrate. The crack mitigating composite is characterized by an elastic modulus of greater than 30 GPa. Further, the hard 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.

Abstract: A method of forming a glass electrochemical sensor is described. In some embodiments, the method may include forming a plurality of electrical through glass vias (TGVs) in an electrode substrate; filling each of the plurality of electrical TGVs with an electrode material; forming a plurality of contact TGVs in the electrode substrate; filling each of the plurality of contact TGVs with a conductive material; patterning the conductive material to connect the electrical TGVs with the contact TGVs; forming a cavity in a first glass layer; and bonding a first side of the first glass layer to the electrode substrate.

Abstract: An article includes a carrier including a carrier bonding surface, a sheet including a sheet bonding surface, and a surface modification layer disposed on at least one of the carrier bonding surface and the sheet bonding surface. The surface modification layer includes a plasma polymerized material. The plasma polymerized material planarizes the at least one of the carrier bonding surface and the sheet bonding surface. The carrier bonding surface and the sheet bonding surface are bonded with the surface modification layer so that the carrier is temporarily bonded with the sheet. A method of making an article includes depositing a surface modification layer on at least one of a carrier bonding surface and a sheet bonding surface. The method further includes bonding the carrier bonding surface and the sheet bonding surface with the surface modification layer to temporarily bond the carrier with the sheet.

Abstract: A glass or glass-ceramic carrier substrate, the substrate having undergone at least one complete cycle of a semiconductor fabrication process and having also undergone a reclamation process following the end of the semiconductor fabrication process; the glass or glass-ceramic carrier substrate comprising at least one of the following properties: (i) a coefficient of thermal expansion of less than 13 ppm/° C.; (ii) a Young's Modulus of 70 GPa to 150 GPa; (iii) an IR transmission of greater than 80% at a wavelength of 1064 nm; (iv) a UV transmission of greater than 20% at a wavelength of 255 nm to 360 nm; (v) a thickness tolerance within the same range as the thickness tolerance of the carrier substrate before undergoing at least one complete cycle of the semiconductor fabrication process; (vi) a total thickness variation of less than 2.5 ?m; (vii) a failure strength of greater than 80 MPa using a 4-point-bending test; (viii) a pre-shape of 50 ?m to 300 ?m.

Abstract: An article and method of manufacturing an article is provided. The article includes a glass, glass-ceramic, or ceramic substrate having a primary surface with an anti-reflective coating disposed over the primary surface. An intermediate coating containing a cured polysilazane or a cured silsesquioxane material is disposed over the anti-reflective coating. An easy-to-clean (ETC) coating containing a polymer and/or fluorinated material is disposed directly on the intermediate coating. The method of manufacturing the article includes curing an intermediate coating solution containing a polysilazane or a silsesquioxane to form an intermediate coating at a temperature of about 300° C. or less.

Abstract: Embodiments of this disclosure pertain to articles that exhibit scratch-resistance and improved optical properties. In some examples, the article exhibits a color shift of about 2 or less, when viewed at an incident illumination angle in the range from about 0 degrees to about 60 degrees from normal under an illuminant. In one or more embodiments, the articles include a substrate, and an optical film disposed on the substrate. The optical film includes a scratch-resistant layer and an optical interference layer. The optical interference layer may include one or more sub-layers that exhibit different refractive indices. In one example, the optical interference layer includes a first low refractive index sub-layer and a second a second high refractive index sub-layer. In some instances, the optical interference layer may include a third sub-layer.

Abstract: Wafer level encapsulated packages includes a wafer, a glass substrate hermetically sealed to the wafer, and an electronic component. The glass substrate includes a glass cladding layer fused to a glass core layer and a cavity formed in the glass substrate. The electronic component is encapsulated within the cavity. In various embodiments, the floor of the cavity is planar and substantially parallel to a plane defined by a top surface of the glass cladding layer. The glass cladding layer has a higher etch rate in an etchant than the glass core layer. In various embodiments, the wafer level encapsulated package is substantially optically transparent. Methods for forming the wafer level encapsulated package and electronic devices formed from the wafer level encapsulated package are also described.

Abstract: Durable and scratch resistant articles including low-reflectance optical coating with gradient portion. In some embodiments, an article comprises: a substrate comprising a first major surface; and an optical coating disposed over the first major surface. The optical coating comprises: a second major surface; a thickness; and a first gradient portion. A refractive index of the optical coating varies along a thickness of the optical coating. The difference between the maximum refractive index of the first gradient portion and the minimum refractive index of the first gradient portion is 0.05 or greater. The absolute value of the slope of the refractive index of the first gradient portion is 0.1/nm or less everywhere along the thickness of the first gradient portion. The article exhibits a single side photopic average light reflectance of 3% or less, and a maximum hardness from 10 GPa to 30 GPa.