Patent application number | Description | Published |
20080292856 | Mechanically flexible and durable substrates and method of making - A flexible substrate are disclosed comprising an amorphous inorganic composition, wherein the substrate has a thickness of less than about 250 μm and has at least one of: a) a brittleness ratio less than about 9.5 (μm) | 11-27-2008 |
20090202808 | DAMAGE RESISTANT CHEMICALLY-TOUGHENED PROTECTIVE COVER GLASS - The invention is directed to a high strength, chemically toughened protective glass article, the glass article having a high damage tolerance threshold of at least 1500 g as measured by the lack of radial cracks when the load is applied to the glass using a Vickers indenter; preferably greater than 2000 g s measured by the lack of initiation of radial cracks when the load is applied to the glass using a Vickers indenter | 08-13-2009 |
20110016975 | Method and Apparatus For Measuring In-Situ Characteristics Of Material Exfoliation - Methods and apparatus for measuring, in-situ, at least one characteristic of a bonding process between a material sheet and a substrate, include: producing acoustic signals in response to acoustic energy within at least one of the material sheet and the substrate proximate to a bonding interface between the material sheet and the substrate; and deriving the at least one characteristic of the bonding process from the acoustic signals. | 01-27-2011 |
20110049113 | METHODS FOR LASER SCRIBING AND BREAKING THIN GLASS - A method of forming a vent in a glass substrate includes forming a defect in the glass substrate on a scribe line. A beam spot of a laser may be directed onto the defect and advanced along the scribe line. A cooling jet may be directed onto the defect such that the surface of the glass substrate is cooled from a maximum temperature. Thereafter, the cooling spot may be advanced along the scribe line with the beam spot to form the vent in the glass substrate. | 03-03-2011 |
20110318859 | ELECTRONIC DEVICE AND METHOD OF MAKING - Disclosed is an electronic device comprising a glass, glass ceramic, or ceramic sheet having a thickness less than about 0.4 mm and wherein a minimum strength of the inorganic substrate is greater than about 500 MPa. Also disclosed is a method of making an electronic device including drawing a viscous inorganic material to form an inorganic ribbon having opposing as-formed edges along a length of the ribbon, separating the ribbon to form a substrate sheet of inorganic material comprising two as-formed edges and forming a device element on the inorganic substrate. | 12-29-2011 |
20120040146 | Thin Substrates Having Mechanically Durable Edges - A substrate ( | 02-16-2012 |
20120135177 | METHODS FOR FORMING GROOVES AND SEPARATING STRENGTHENED GLASS SUBSTRATE SHEETS - 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. | 05-31-2012 |
20120135195 | METHODS FOR SEPARATING GLASS ARTICLES FROM STRENGTHENED GLASS SUBSTRATE SHEETS - 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. | 05-31-2012 |
20120135853 | GLASS ARTICLES/MATERIALS FOR USE AS TOUCHSCREEN SUBSTRATES - The present disclosure relates to glass articles for use as a touchscreen substrate for use in a portable electronic device, particularly comprising an alkali-free aluminosilicate glass exhibiting a high damage threshold of at least 1000gf, as measured by the lack of the presence of median/radial cracks when a load is applied to the glass using a Vickers indenter, a scratch resistance of at least 900gf, as measured by the lack of the presence of lateral cracks when a load is applied by a moving Knoop indenter and a linear coefficient of thermal expansion (CTE) over the temperature range 0-300° C. which satisfies the relationship: 25×10−7/° C.≦CTE≦40×10−7/° C. | 05-31-2012 |
20130086946 | DAMAGE RESISTANT, CHEMICALLY TOUGHENED PROTECTIVE COVER GLASS - The invention is directed to a high strength, chemically toughened protective glass article, the glass article having a high damage tolerance threshold of at least 1500 g as measured by the lack of radial cracks when the load is applied to the glass using a Vickers indenter; preferably greater than 2000 g is measured by the lack of initiation of radial cracks when the load is applied to the glass using a Vickers indenter | 04-11-2013 |
20130095310 | DAMAGE RESISTANT, CHEMICALLY TOUGHENED PROTECTIVE COVER GLASS - The invention is directed to a high strength, chemically toughened protective glass article, the glass article having a high damage tolerance threshold of at least 1500 g as measured by the lack of radial cracks when the load is applied to the glass using a Vickers indenter; preferably greater than 2000 g s measured by the lack of initiation of radial cracks when the load is applied to the glass using a Vickers indenter | 04-18-2013 |
20130109116 | SURFACE FLAW MODIFICATION FOR STRENGTHENING OF GLASS ARTICLES | 05-02-2013 |
20130133366 | Methods of Improving Strength of Glass Articles - 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. | 05-30-2013 |
20140342897 | Glass Articles/Materials For Use As Touchscreen Substrates - The present disclosure relates to glass articles for use as a touchscreen substrate for use in a portable electronic device, particularly comprising an alkali-free aluminosilicate glass exhibiting a high damage threshold of at least 1000 gf, as measured by the lack of the presence of median/radial cracks when a load is applied to the glass using a Vickers indenter, a scratch resistance of at least 900 gf, as measured by the lack of the presence of lateral cracks when a load is applied by a moving Knoop indenter and a linear coefficient of thermal expansion (CTE) over the temperature range 0-300° C. which satisfies the relationship: 25×10-7/° C.≦CTE≦40×10-7/° C. | 11-20-2014 |