Abstract: There is a method for making. The method includes providing an untreated alkali aluminosilicate glass having an annealing point temperature that is at least about 580° C. The method also includes providing a mixed potassium and sodium salt bath having greater than about 50 mole % potassium salt and less than about 50 mole % sodium salt. The method also includes immersing the untreated glass in the mixed salt bath and maintaining the mixed salt bath with the immersed untreated glass within a temperature range from about 450° C. to less than the annealing point temperature of the untreated glass for a period greater than about 2 hours to produce a strengthened glass. The produced strengthened glass has a surface compression of at least about 100,000 psi and a compression case depth of at least about 600 microns.

Abstract: A float glass for chemical strengthening, having a bottom surface to contact a molten metal during molding and a top surface facing the bottom surface. An absolute value of a difference between a normalized hydrogen concentration at a depth of 5 to 10 ?m that is a value obtained by dividing a hydrogen concentration at a depth of 5 to 10 ?m by a hydrogen concentration at a depth of 50 to 55 ?m in the top surface and the normalized hydrogen concentration at a depth of 5 to 10 ?m in the bottom surface is 0.35 or less.

Abstract: Methods of making a substantially rectangular glass cover member includes the step (I) of providing a glass tube including a plurality of substantially rectangular glass segments including respective edges that are integrally attached to one another at attachment locations. The plurality of substantially rectangular glass segments are radially arranged about an axis of the glass tube to define an outer periphery of the glass tube. The method can further include the step (II) of separating the plurality of substantially rectangular glass segments from one another at the attachment locations to provide a plurality of substantially rectangular glass cover members. In still further examples, glass tubes include a plurality of glass segments that each includes a convex surface and a substantially flat surface.

Abstract: A patterned curviform surface of glass includes a glass body having a smooth surface. The smooth surface has a plurality of compressive stress area, and the plurality of compressive stress area forms a predetermined pattern. Compressive stress retained in the compressive stress area is lager than 50 Mpa so that the plurality of compressive stress area will form a patterned curviform surface based on the predetermined pattern. A method for manufacturing the patterned curviform surface of glass includes forming a mask onto the smooth surface of surface roughness lower than 0.12 ?m. The mask includes a plurality of hollow, and the plurality of hollow forms a predetermined pattern. The smooth surface is processed by a chemical ion tempering process to form a plurality of compressive stress area retaining compressive stress within the hollow of the mask. By removing the mask and cleaning the smooth surface, a curviform surface opposite to the predetermined pattern is formed to the smooth surface.

Abstract: Methods and apparatus provide for performing an ion exchange process by immersing a glass sheet into a molten salt bath at one or more first temperatures for a first period of time such that ions within the glass sheet proximate to a surface thereof are exchanged for larger ions from the molten salt bath, thereby producing: (i) an initial compressive stress (iCS) at the surface of the glass sheet, (ii) an initial depth of compressive layer (iDOL) into the glass sheet, and (iii) an initial central tension (iCT) within the glass sheet; and annealing the glass sheet, after the ion exchange process has been completed, by elevating the glass sheet to one or more second temperatures for a second period of time such that at least one of the initial compressive stress (iCS), the initial depth of compressive layer (iDOL), and the initial central tension (iCT) are modified.

Abstract: Disclosed herein are one or more of formable and/or color-tunable, crystallizable glasses; formed and/or color-tuned glass-ceramics; IXable, formed and/or color-tuned glass-ceramics; IX, formed and/or color-tuned glass-ceramics; a machine or equipment including a formed and/or color-tuned glass-ceramic; a machine or equipment including an IXable, formed and/or color-tuned glass-ceramics; a machine or equipment including an IX, formed and/or color-tuned glass-ceramics; one or more processes for making formable, crystallizable glasses crystallizable; one or more processes for making formable and/or color-tunable, crystallizable glasses; one or more processes for making formed and/or color-tuned glass-ceramics; one or more processes for making IXable, formed and/or color-tuned glass-ceramics; one or more processes for making IX, formed and/or color-tuned glass-ceramics; and one or more processes for using any one of formable and/or color-tunable, crystallizable glasses; formed and/or color-tuned glass-ceramics;

Abstract: A tempered glass substrate of the present invention is a tempered glass substrate, which has a compression stress layer on a surface thereof, and has a glass composition comprising, in terms of mass %, 40 to 71% of SiO2, 3 to 21% of Al2O3, 0 to 3.5% of Li2O, 7 to 20% of Na2O, and 0 to 15% of K2O.

Abstract: This invention relates to a method of making glass. In certain example embodiments, a major surface(s) of the glass is treated with aluminum chloride (e.g., AlCl3) at or just prior to the annealing lehr. The aluminum chloride treatment at or just prior to the annealing lehr, in either a float or patterned line glass making process, is advantageous in that it allows the treatment to be performed at a desirable glass temperature and permits exhaust functions in or proximate the annealing lehr to remove byproducts of the treatment in an efficient manner. In certain example embodiments, the glass may be polished for thinning after the treatment, with the polishing being performed on a major surface of the glass opposite to a major surface which has been treated with aluminum chloride.

Abstract: The disclosure is directed to glass compositions that incorporate copper into an otherwise homogeneous glass and to a method for making such glass. This incorporation of the copper into the glass composition imparts significant antimicrobial activity to the glass. A method of making a copper-containing glass article comprises: batching a glass batch comprising: 40-85 SiO2; 10-40 B2O3; 1-19 Al2O3; 0.1-20 CuO or a selected salt of Cu that is convertible into CuO during melting; 0-20 M2O, wherein M is Li, Na, K, or combinations thereof; 0-25 RO, wherein R is Ca, Sr, Mg, or combinations thereof; and 0-20 ZnO. melting the batch to form a melted glass; and forming the melted glass to form the copper-containing glass article having antimicrobial properties.

Abstract: The disclosure is directed to a chemically strengthened glass having antimicrobial properties and to a method of making such glass. In particular, the disclosure is directed to a chemically strengthened glass with antimicrobial properties and with a low surface energy coating on the glass that does not interfere with the antimicrobial properties of the glass. The antimicrobial has an Ag ion concentration on the surface in the range of greater than zero to 0.047 ?g/cm2. The glass has particular applications as antimicrobial shelving, table tops and other applications in hospitals, laboratories and other institutions handling biological substances, where color in the glass is not a consideration.

Abstract: A strengthened glass article has a chemically-etched edge and a compressive stress layer formed in a surface region thereof. The compressive stress layer has a compressive stress and a depth of layer. A product of the compressive stress and depth of layer is greater than 21,000 ?m-MPa. A method of making the strengthened glass article includes creating the compressive stress layer in a glass sheet, separating the glass article from the glass sheet, and chemically etching at least one edge of the glass article.

Abstract: A method for manufacturing a disklike glass material comprising the successive molding of multiple pieces of disklike glass material from glass melt. Being suppressed variation over time in the concentration of infrared radiation-absorbing ions contained in the glass melt being molded into the pieces of disklike glass material so that the variation in the sheet thickness of the multiple pieces of disklike glass material falls within a range of ±15 percent of a reference value. The reference value being the median between the maximum value and the minimum value of the sheet thickness of 1,000 pieces of the glass material. In the course of molding multiple pieces of disklike glass material comprised of glass containing 0.1 to 100 ppm of infrared radiation-absorbing ions, vaiiation over time in the concentration of the infrared radiation-absorbing contained in the glass melt is suppressed to suppress variation in the sheet thickness of the multiple pieces of sheet like glass material.

Abstract: A method for manufacturing a glass substrate for magnetic disk is provided. The method includes a forming process of press-forming a lump of molten glass using a pair of dies, wherein in the forming process, the cooling rate of the molten glass during pressing is controlled so that a first compressive stress layer is formed on a pair of principal faces of a glass blank that is press formed, and the method includes a chemically strengthening process for forming a second compressive stress layer on a pair of principal faces of a glass substrate formed using the glass blank after the forming process.

Abstract: To provide a magnetic-disk glass substrate manufacturing method that can reduce the inner diameter dimensional error.

Abstract: Methods for separating glass articles from glass substrate sheets are described herein. In one embodiment, a method includes focusing a laser beam on at least one surface of the glass substrate sheet such that the laser beam has an asymmetrical intensity distribution at the at least one surface of the glass substrate sheet. The method further includes translating the laser beam on the at least one surface of the glass substrate sheet along a desired groove line to form at least one groove on the at least one surface of the glass substrate sheet. The at least one groove extends partially through a thickness of the glass substrate sheet along the desired groove line and has bevelled or chamfered walls. The glass article may be separated from the glass substrate sheet along the at least one groove.

Abstract: A transparent cover glass for applications such as, but not limited to, touch screen devices that embody antimicrobial properties that include s being antibacterial, antifungal, and antiviral. The antimicrobial glasses contain nanoparticles of Cu or Cu2O on the surface of the glass. The antimicrobial glasses can further have a fluorosilane coating or other coating on the surface to make the glasses easy-to-clean. Also, glass surfaces having an antibacterial or antimicrobial surfaces and a protective coating on the surface that do not inhibit the antibacterial or antimicrobial properties of the glass are described. The disclosure is further directed to methods of making such articles.

Abstract: Methods for separating strengthened glass articles from glass substrate sheets and strengthened glass substrate sheets are described herein. In one embodiment, a method of separating a glass article from a glass substrate sheet includes forming at least one groove on at least one surface of the glass substrate sheet. The at least one groove continuously extends around a perimeter of the glass article and extends partially through a thickness of the glass substrate sheet. The method further includes strengthening the glass substrate sheet by a strengthening process and separating the glass article from the glass substrate sheet along the at least one groove such that one or more edges of the glass article are under compressive stress. In another embodiment, a strengthened glass substrate sheet includes an ion exchanged glass having one or more grooves in one or more strengthened surface layers, the one or more grooves defining glass articles.

Abstract: An aspect of the present invention relates to glass for a magnetic recording medium substrate, which comprises essential components in the form of SiO2, Li2O, Na2O, and one or more alkaline earth metal oxides selected from the group consisting of MgO, CaO, SrO, and BaO wherein a molar ratio of a content of CaO to a combined content of MgO, CaO, SrO, and BaO (CaO/(MgO+CaO+SrO+BaO)) is equal to or less than 0.20, and which has a glass transition temperature of equal to or higher than 650° C.

Abstract: This invention provides a method for manufacturing a glass substrate for a magnetic disk comprising a chemical strengthening step. The method provides a glass substrate for a magnetic disk that can suppress the occurrence of very small waves in cooling a glass substrate after the chemical strengthening step, and, while preventing troubles such as head crush and thermal asperity, can realize lowered flying height of a magnetic head and high-density information recording, and is particularly suitable for application to small-size magnetic disks for portable information equipment. In the step of cooling after the chemical strengthening step, cooling treatment is carried out in which the glass substrate is brought into contact with a treatment liquid containing a melt of a material having a solidification temperature below that of a chemical strengthening salt.

Abstract: Methods for separating glass articles from strengthened glass substrate sheets and strengthened glass substrate sheets are provided. In one embodiment, a method includes forming at least one groove on at least one surface of the glass substrate sheet and strengthening the glass substrate sheet by a strengthening process. The groove defines the glass article and partially extends through a thickness of the glass substrate sheet. The method further includes generating an initiation defect on the groove at an initiation location to cause a through crack to self-propagate through the glass substrate sheet along the groove, thereby separating the glass article from the glass substrate sheet. In another embodiment, a strengthened glass substrate sheet includes a strengthened glass having a glass article groove and an initiation groove on a surface, the glass article groove defining a glass article.

Abstract: Embodiments of glass containers resistant to delamination and methods for forming the same are disclosed. According to one embodiment, a delamination resistant glass container may include a glass article having a body extending between an interior surface and an exterior surface. The body defines an interior volume. The body may include an interior region extending from 10 nm below the interior surface of the body into a thickness of the body. The interior region has a persistent layer homogeneity such that the body is resistant to delamination.

Abstract: A high-strength alkali-aluminosilicate glass, characterized by excellent meltability, fineability. and processibility, exhibits the following formula: SiO2 60.5 to 69.0 weight percent Al2O3 7.0 to 11.8 weight percent B2O3 0 to 4.0 weight percent MgO 2.0 to 8.5 weight percent CaO 0 to 4.0 weight percent ZnO 0 to 5.0 weight percent ZrO2 0 to 3.0 weight percent Na2O 15.0 to 17.5 weight percent K2O 0 to 2.7 weight percent Li2O 0 to 2.0 weight percent and from 0 to 1.5 weight percent of a fining agents such as As2O3, Sb2O3 CeO2, SnO2, Cl?, F?, (SO4)2? and combinations thereof. The glass allows for adequate conditions for an alkali ion exchange treatment in a short time period (4 to 8 hours) and can also be produced according to the established, continuous, vertically downward directed drawing process such as the overflow down-draw method or the fusion method, the die slot or the slot down-draw method, or combinations thereof.

Abstract: A process for producing a glass substrate for magnetic disk through chemical strengthening operation, in which the distribution of compressive stress is uniformed at a surface layer portion. The chemical strengthening operation includes the first step of bringing the glass substrate into contact with a first treatment solution (chemical strengthening treatment solution) containing first ions with an ionic radius larger than those of ions within the glass substrate and either the second and subsequent steps of bringing the platy glass into contact with treatment solutions containing second and subsequent bivalent ions, or the second and subsequent steps of bringing the glass substrate into contact with second and subsequent chemical strengthening treatment solutions containing second and subsequent ions exhibiting an ion exchange rate with ions within the glass substrate greater than that of the first ions to thereby decelerate the ion exchange.

Abstract: A method of manufacturing touch screen panels includes forming a photoresist film on a first surface of a substrate having high transmittance, removing the photoresist film in regions between unit cells by utilizing exposing and developing processes, etching the substrate in the regions where the photoresist film has been removed, removing the photoresist film from the substrate after the etching, performing a tempering process on the substrate including the etched regions, forming touch screen panels at the unit cells defined by the etched regions on the first surface of the substrate, and cutting the substrate at the etched regions to separate the touch screen panels.

Abstract: A strengthened glass that does not exhibit frangible behavior when subjected to impact or contact forces, and a method of strengthening a glass. The glass may be strengthened by subjecting it to multiple, successive, ion exchange treatments. The multiple ion exchange treatments provide a local compressive stress maximum at a depth of the strengthened layer and a second local maximum at or near (e.g., within 10 ?m) the surface of the glass.

Abstract: Strengthened glass articles having laser etched features, electronic devices, and methods of fabricating etched features in strengthened glass articles are disclosed. In one embodiment, a strengthened glass article includes a first strengthened surface layer and a second strengthened surface layer under a compressive stress and extending from a first surface and a second surface, respectively, of the strengthened glass article to a depth of layer, and a central region between the first strengthened surface layer and the second strengthened surface layer that is under tensile stress. The strengthened glass article further includes at least one etched feature formed by laser ablation within the first surface or the second surface having a depth that is less than the depth of layer and a surface roughness that is greater than a surface roughness of the first surface or second surface outside of the at least one etched feature.

Abstract: To provide a process for producing a chemically tempered glass whereby it is possible to increase the surface compressive stress. A process for producing a chemically tempered glass, which comprises holding a glass at a temperature of at least the strain point minus 40° C. and at most the strain point plus 70° C. for at least 30 minutes for heat treatment, and thereafter, immersing it in a molten salt for ion exchange without allowing the temperature to exceed the strain point plus 70° C.

Abstract: A method of making glass through a glass ribbon forming process in which a glass ribbon is drawn from a root point to an exit point is provided. The method comprises the steps of: (I) cooling the glass ribbon at a first cooling rate from an initial temperature to a process start temperature, the initial temperature corresponding to a temperature at the root point; (II) cooling the glass ribbon at a second cooling rate from the process start temperature to a process end temperature; and (III) cooling the glass ribbon at a third cooling rate from the process end temperature to an exit temperature, the exit temperature corresponding to a temperature at the exit point, wherein an average of the second cooling rate is lower than an average of the first cooling rate and an average of the third cooling rate.

Abstract: In a method of manufacturing a glass plate for a display device, a protection film is formed on a mother glass plate. The protection film is patterned to form a protection film pattern which prevents ion exchange. Chemically strengthening the mother glass plate includes exchanging alkaline ions of the mother glass plate including the protection film pattern are exchanged with metal ions of a molten salt to form a first chemically strengthened portion, a non-strengthened portion and a second chemically strengthened portion. The upper surface of the protection film pattern is cut in the scribe line area to separate the glass plate at the non-strengthened portion of the mother glass plate, from the mother glass plate.

Abstract: Disclosed are methods for making an enclosure having a three-dimensionally shaped glass wall portion comprising an initial step of shaping a glass charge into a preform having a preform cross-section corresponding in shape to a smaller cross-sectional shape for the three-dimensional glass wall portion. At least a surface portion of the preform is then finished if necessary to remove any visible optical surface defects therefrom and/or to meet geometric tolerances, and the preform is drawn along an elongation axis perpendicular to the preform cross-section to reduce or draw down the preform in size to the smaller cross-sectional shape for the three dimensional glass wall portion. The smaller cross-sectional shape or sections thereof are then tempered to provide a strengthened glass wall portion having a compressively stressed surface layer thereon.

Abstract: A method of making a strengthened glass article. The method includes altering the glass structure and subsequently creating a compressive layer extending from the surface of the glass to a depth of layer. In some embodiments, the structure is altered by heat treating the glass at a temperature that is less than the annealing point of the glass, and the compressive layer is formed by ion exchange. A strengthened glass article made by the method is also provided.

Abstract: Strengthened glass substrate sheets and methods of fabricating glass panels from glass substrate sheets are disclosed. In one embodiment, a method includes forming at least one series of holes through a thickness of the glass substrate sheet, wherein the at least one series of holes defines a perimeter of the glass panel to be separated from the glass substrate sheet. The method further includes strengthening the glass substrate sheet by a strengthening process, and separating the glass panel from the glass substrate sheet along the at least one series of holes. At least a portion of one or more edges of the glass panel has an associated edge compressive layer. In another embodiment, a strengthened glass substrate sheet includes at least one series of holes that defines a perimeter of one or more glass panels to be separated from the strengthened glass substrate sheet.

Abstract: Methods are disclosed for treating zircon-containing forming structures, e.g., zircon isopipes, with one or more treatment glass compositions in which defect-causing reactions between the zircon of the forming structure and molten glass are suppressed at the delivery temperature of the treatment glass. The treatment compositions can be used during start-up of a forming structure, between runs of the same production glass on a given forming structure, and/or when transitioning between runs of two production glasses on a given forming structure. The treatment compositions can be used with production glasses that are ion-exchangeable.

Abstract: Computer-implemented methods and apparatus are provided for predicting/estimating chemical depth of layer (DOL) and maximum surface compressive stress (CS) of glass articles after ion-exchange. The methods and apparatus can, for example, be used to select glass compositions, salt bath temperatures, and/or ion-exchange times which provide desired DOL and/or CS values. One or more manufacturing constraints, e.g., constraints on liquidus viscosity, zircon breakdown viscosity, and the like, can be applied to the process of predicting/estimating DOL and/or CS values so that glass compositions selected based on DOL and/or CS values can, for example, be manufactured commercially by a fusion or float process.

Abstract: A glass article having an engineered stress profile. The central or core region of the glass is in compression and the surface or outer region of the glass is either under neutral stress or in compression. The outer surface region and the core region are separated by an intermediate region that is under tension. A flaw that penetrates the outer region in compression will propagate in the underlying tensile intermediate layer, but will not penetrate though the compressive core region of the glass. The compressive core region prevents flaws from penetrating through the thickness of the glass.

Abstract: This disclosure is directed to a continuous flow ion-exchange system and process (CIOX) in which a fresh molten salt, for example KNO3, is supplied a salt inlet end of a long channeled containment vessel and the used molten salt is removed from a salt outlet end distal from the inlet end of the channel. Glass article is loaded into at least one cassette, the cassette is placed in the vessel containing the molten salt and is translated from the salt outlet end to the salt inlet end. Cassettes containing glass articles are continuously placed into the vessel at the salt outlet lend and are removed as they reach the salt inlet end.

Abstract: [Subject] An object of the present invention is to provide a method for manufacturing a chemically strengthened glass plate having a high surface compressive stress with high efficiency using a soda-lime glass, the composition of which is not particularly suited for chemical strengthening.

Abstract: Glasses with compressive stress profiles that allow higher surface compression and deeper depth of layer (DOL) than is allowable in glasses with stress profiles that follow the complementary error function at a given level of stored tension. In some instances, a buried layer or local maximum of increased compression, which can alter the direction of cracking systems, is present within the depth of layer. Theses compressive stress profiles are achieved by a three step process that includes a first ion exchange step to create compressive stress and depth of layer that follows the complimentary error function, a heat treatment at a temperature below the strain point of the glass to partially relax the stresses in the glass and diffuse larger alkali ions to a greater depth, and a re-ion-exchange at short times to re-establish high compressive stress at the surface.

Abstract: A method of manufacturing a reinforced plate glass by which glass surface strength is sufficiently increased, and a stable quality reinforced plate glass is manufactured at high production efficiency. The reinforced plate glass is formed of an inorganic oxide glass, and is provided with a compression stress layer by chemical reinforcement on plate surfaces opposed to each other in a plate thickness direction. Plate end faces have regions where a compression stress is formed and regions where no compression stress is formed.

Abstract: A process for producing a glass substrate for magnetic disk through chemical strengthening operation, in which the distribution of compressive stress is uniformed at a surface layer portion of the glass substrate to thereby, while preventing failures such as head crash and thermal asperity, realize a low flying height of magnetic head, attaining high-density information recording. In particular, the provided glass substrate for magnetic disk is suitable for application to compact magnetic disks for portable information equipment.

Abstract: Methods for separating glass articles from glass substrate sheets are described herein. In one embodiment, a method includes focusing a laser beam on at least one surface of the glass substrate sheet such that the laser beam has an asymmetrical intensity distribution at the at least one surface of the glass substrate sheet. The method further includes translating the laser beam on the at least one surface of the glass substrate sheet along a desired groove line to form at least one groove on the at least one surface of the glass substrate sheet. The at least one groove extends partially through a thickness of the glass substrate sheet along the desired groove line and has bevelled or chamfered walls. The glass article may be separated from the glass substrate sheet along the at least one groove.

Abstract: A lithium aluminosilicate glass and a method for producing such lithium aluminosilicate glass are provided. The glass has a composition, in mol %, of: SiO2 60-70; Al2O3 10-13; B2O3 0.0-0.9; Li2O 9.6-11.6; Na2O 8.2-less than 10; K2O 0.0-0.7; MgO 0.0-0.2; CaO 0.2-2.3; ZnO 0.0-0.4; ZrO2 1.3-2.6; P2O5 0.0-0.5; Fe2O3 0.003-0.100; SnO2 0.0-0.3; and CeO2 0.004-0.200. Further, the composition complies with the following relations and conditions: (Li2O+Al2O3)/(Na2O+K2O) greater than 2; Li2O/(Li2O+Na2O+K2O) greater than 0.47 and less than 0.70; CaO+Fe2O3+ZnO+P2O5+B2O3+CeO2 greater that 0.8 and less than 3, where at least four out of the six oxides are included. The glass exhibits a modulus of elasticity of at least 82 GPa and has a glass transition point below 540° C. and/or a working point below 1150° C.

Abstract: A method of decorating chemically strengthened glass. The coating deposition process entails maintaining a deposition temperature and a curing temperature below a threshold where the chemically strengthened glass is weakened. The coating composition used in the process is a single phase and comprises alkoxysilane functionalized isocyanurate or alkoxysilane functionalized biuret, wherein the alkoxysilane is linked to the isocyanurate or biuret by an urea linking group.

Abstract: A glass sheet, the thickness of which is at most 2 mm, including a surface zone under compression and a central zone under tension, such that the depth at which the transition between compression and tension occurs is at least 100 micrometers, the ratio between the depth and the thickness being at least 0.1, the sheet additionally being such that the flexural stress at break in a “ring-on-tripod” test is at least 70 MPa, after Vickers indentation under a load of 60 N.

Abstract: A glass article includes a main body made from glass and at least one decorative member. The main body has a three-dimensional shape and has an outer surface which has at least one curved surface portion. The at least one curved surface portion defines at least one recess. The at least one decorative member are received in the corresponding at least one recess to form a desired symbol, logo, or pattern on the glass article. A method for making the glass article is also provided.

Abstract: A strengthened glass block cut from a mother glass substrate is provided. The mother glass substrate is given a preliminary chemically strengthening treatment, the strengthened glass block has a preliminary strengthened surface area and a newly-born surface area, and the newly-born surface area is formed as a result of a machining or material removing treatment. A chemically strengthened layer formed as a result of a secondary chemically strengthening treatment is formed in at least the newly-born surface area.

Abstract: A mirror for concentrating solar power devices, associable with a curved supporting panel, which comprises a flat and thin mirror-finished plate which is flexible, as a consequence of a tempering treatment, for complementary shaping, by inflection, with respect to the panel, which is adapted to support and keep the plate inflexed.

Abstract: A method for manufacturing tempered-glass panels for electronic devices is provided. The method includes pre-processing an original glass substrate so as to reduce weak portions that are formed in the original glass substrate when the original glass substrate is first tempered and then processed tempering the pre-processed original glass substrate and cutting the tempered pre-processed original glass substrate to produce a number of tempered-glass panels. The method can produce the tempered-glass panels from the original glass substrate, maintaining a certain level of production efficiency.

Abstract: A method of improving strength of a chemically-strengthened glass article comprises exposing a target surface of the glass article to an ion-exchange strengthening process, the ion-exchange strengthening process generating a chemically-induced compressive layer in the glass article. Thereafter, dynamic interfacing of the target surface of the glass article with a sheared magnetorheological fluid is performed to remove at least a portion of the chemically-induced compressive layer from the glass article, wherein the parameters of the dynamic interfacing of the glass article with the sheared magnetorheological fluid are such that a thickness of the removed portion of the chemically-induced compressive layer is less than approximately 20% of the chemically-induced compressive layer.

Abstract: A glass article including at least about 40 mol % SiO2 and, optionally, a colorant imparting a preselected color is disclosed. In general, the glass includes, in mol %, from about 40-70 SiO2, 0-25 Al2O3, 0-10 B2O3; 5-35 Na2O, 0-2.5 K2O, 0-8.5 MgO, 0-2 ZnO, 0-10% P2O5 and 0-1.5 CaO. As a result of ion exchange, the glass includes a compressive stress (?s) at at least one surface and, optionally, a color. In one method, communicating a colored glass with an ion exchange bath imparts ?s while in another; communicating imparts ?s and a preselected color. In the former, a colorant is part of the glass batch while in the latter; it is part of the bath. In each, the colorant includes one or more metal containing dopants formulated to impart to a preselected color. Examples of one or more metal containing dopants include one or more transition and/or rare earth metals.