Patent application number | Description | Published |
20110265516 | COMPOSITIONAL CONTROL OF FAST RELAXATION IN DISPLAY GLASSES - Methods are provided for reducing the dimensional changes of a glass substrate during a display manufacturing process. The reductions are achieved by increasing the fast relaxation exhibited by the glass. Test methods are provided for distinguishing the effects on dimensional changes of fast relaxation versus slow relaxation. Glass substrates which exhibit reduced dimensional changes during critical thermal cycles of display manufacturing processes are also disclosed. | 11-03-2011 |
20120083915 | METHODS AND APPARATUS FOR PREDICTING GLASS PROPERTIES - Methods and apparatus for predicting viscosities of glass materials as a function of temperature and composition are provided. Two fitting parameters (fitting coefficients) are used for each of the viscosity-affecting components contained in the material. The parameters can accurately cover a wide range of temperatures (i.e., a wide range of viscosities) and a wide range of compositions. The viscosity predictions can be used as a guide for glass research as well as in feedback control systems for glass manufacturing processes. Methods and apparatus for predicting glass resistivity are also disclosed. | 04-05-2012 |
20130004758 | ION EXCHANGEABLE GLASS WITH HIGH COMPRESSIVE STRESS - An aluminosilicate glass article having a high compressive stress layer. The glass article comprises at least about 50 mol % SiO | 01-03-2013 |
20130037105 | FUSION FORMABLE ALKALI-FREE INTERMEDIATE THERMAL EXPANSION COEFFICIENT GLASS - A compositional range of high strain point and/or intermediate expansion coefficient alkali metal free aluminosilicate and boroaluminosilicate glasses are described herein. The glasses can be used as substrates or superstrates for photovoltaic devices, for example, thin film photovoltaic devices such as CdTe or CIGS photovoltaic devices or crystalline silicon wafer devices. These glasses can be characterized as having strain points ≧600° C., thermal expansion coefficient of from 35 to 50×10 | 02-14-2013 |
20130136909 | COLORED ALKALI ALUMINOSILICATE GLASS ARTICLES - A glass article including at least about 40 mol % SiO | 05-30-2013 |
20130224491 | ALUMINOSILICATE GLASSES FOR ION EXCHANGE - Glass compositions that may be used to produce chemically strengthened glass sheets by ion exchange. The glass compositions are chosen to promote simultaneously high compressive stress and deep depth of layer or, alternatively, to reduce the time needed to ion exchange the glass to produce a predetermined compressive stress and depth of layer. | 08-29-2013 |
20130225390 | HIGH STRAIN POINT ALUMINOSILICATE GLASSES - Described herein are alkali-free, boroalumino silicate glasses exhibiting desirable physical and chemical properties for use as substrates in flat panel display devices, such as, active matrix liquid crystal displays (AMLCDs) and active matrix organic light emitting diode displays (AMOLEDs). In accordance with certain of its aspects, the glasses possess good dimensional stability as a function of temperature. | 08-29-2013 |
20130233020 | METHODS FOR PRODUCING ION-EXCHANGEABLE GLASSES - 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. | 09-12-2013 |
20130260154 | HEAT TREATMENT FOR STRENGTHENING GLASSES - 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. | 10-03-2013 |
20140050911 | ULTRA-THIN STRENGTHENED GLASSES - Glass compositions having properties that are optimized for forming ultra-thin (<0.4 mm) articles and for applications requiring ultra-thin glass. These properties include both forming-related properties such as the coefficients of thermal expansion (CTE) of both the liquid and glassy state of the glass, liquidus viscosity, and those properties affecting the mechanical performance of the glass (compressive stress, depth of layer, elastic or Young's modulus). | 02-20-2014 |
20140106172 | ION EXCHANGEABLE GLASS WITH HIGH DAMAGE RESISTANCE - An ion exchangeable glass having a high degree of resistance to damage caused by abrasion, scratching, indentation, and the like. The glass comprises alumina, B | 04-17-2014 |
20140186632 | ZIRCON COMPATIBLE, ION EXCHANGEABLE GLASS WITH HIGH DAMAGE RESISTANCE - An ion exchangeable glass having a high degree of resistance to damage caused by abrasion, scratching, indentation, and the like. The glass comprises alumina, B | 07-03-2014 |
20140230490 | METHODS FOR REDUCING ZIRCONIA DEFECTS IN GLASS SHEETS - 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. | 08-21-2014 |
20140242375 | LAMINATED GLASS ARTICLES WITH PHASE-SEPARATED CLADDINGS AND METHODS FOR FORMING THE SAME - Laminated glass articles and methods for making the same are disclosed. In one embodiment, a laminated glass article may include a glass core layer and at least one glass cladding layer fused to the glass core layer. The at least one glass cladding layer may be phase separated into a first phase and at least one second phase having different compositions. The first phase of the at least one glass cladding layer may have an interconnected matrix. The at least one second phase of the at least one glass cladding layer may be dispersed throughout the interconnected matrix of the first phase of the at least one glass cladding layer. In some embodiments, the at least one second phase may be selectively removed from the interconnected matrix leaving a porous, interconnected matrix of the first phase. | 08-28-2014 |
20140335331 | ALKALI-FREE PHOSPHOBOROSILICATE GLASS - Alkali-free phosphoboroaluminosilicate glasses are provided. The glasses include the network formers SiO | 11-13-2014 |
20140356576 | DOWN-DRAWABLE CHEMICALLY STRENGTHENED GLASS FOR INFORMATION STORAGE DEVICES - Described herein are various glass compositions, glass articles, and information storage devices that comprise the glass articles as substrates therefor, along with methods for their manufacture and use. | 12-04-2014 |
20150030827 | LOW CTE, ION-EXCHANGEABLE GLASS COMPOSITIONS AND GLASS ARTICLES COMPRISING THE SAME - Glass compositions and glass articles comprising the glass compositions are disclosed. In one embodiment, a glass composition includes from about 65 mol. % to about 70 mol. % SiO2; from about 9 mol. % to about 14 mol. % Al | 01-29-2015 |
20150037552 | HIGH CTE POTASSIUM BOROSILICATE CORE GLASSES AND GLASS ARTICLES COMPRISING THE SAME - High CTE glass compositions and laminated glass articles formed from the same are described. In one embodiment, a glass composition may include from about 70 mol. % to about 80 mol. % SiO | 02-05-2015 |
20150037553 | LOW CTE ALKALI-FREE BOROALUMINOSILICATE GLASS COMPOSITIONS AND GLASS ARTICLES COMPRISING THE SAME - Low CTE glass compositions and glass articles formed from the same are described. In one embodiment, a glass composition includes from about 60 mol. % to about 66 mol. % SiO | 02-05-2015 |
20150051060 | ALKALI-DOPED AND ALKALI-FREE BOROALUMINOSILICATE GLASS - Alkali-doped boroaluminosilicate glasses are provided. The glasses include the network formers SiO | 02-19-2015 |
20150051061 | INTERMEDIATE TO HIGH CTE GLASSES AND GLASS ARTICLES COMPRISING THE SAME - Intermediate to high CTE glass compositions and laminates formed from the same are described. The glasses described herein have properties, such as liquidus viscosity or liquidus temperature, which make them particularly well suited for use in fusion forming processes, such as the fusion down draw process and/or the fusion lamination process. Further, the glass composition may be used in a laminated glass article, such as a laminated glass article formed by a fusion laminate process, to provide strengthened laminates via clad compression as a result of CTE mismatch between the core glass and clad glass. | 02-19-2015 |
20150064474 | Ion Exchangeable Glass, Glass Ceramics and Methods for Making the Same - Glass-ceramics and precursor glasses that are crystallizable to glass-ceramics are disclosed. The glass-ceramics of one or more embodiments include rutile, anatase, armalcolite or a combination thereof as the predominant crystalline phase. Such glasses and glass-ceramics may include compositions of, in mole %: SiO | 03-05-2015 |